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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.260 by root, Fri Apr 27 19:53:05 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
14 36
15use Coro 3.61 (); 37use Coro ();
16use Coro::State; 38use Coro::State;
17use Coro::Handle; 39use Coro::Handle;
40use Coro::EV;
18use Coro::Event; 41use Coro::AnyEvent;
19use Coro::Timer; 42use Coro::Timer;
20use Coro::Signal; 43use Coro::Signal;
21use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
22use Coro::AIO; 46use Coro::AIO;
47use Coro::BDB 1.6;
23use Coro::Storable; 48use Coro::Storable;
49use Coro::Util ();
24 50
51use JSON::XS 2.01 ();
25use BDB (); 52use BDB ();
26use Data::Dumper; 53use Data::Dumper;
27use Digest::MD5; 54use Digest::MD5;
28use Fcntl; 55use Fcntl;
29use YAML::Syck (); 56use YAML ();
30use IO::AIO 2.32 (); 57use IO::AIO ();
31use Time::HiRes; 58use Time::HiRes;
32use Compress::LZF; 59use Compress::LZF;
60use Digest::MD5 ();
61
62AnyEvent::detect;
33 63
34# configure various modules to our taste 64# configure various modules to our taste
35# 65#
36$Storable::canonical = 1; # reduce rsync transfers 66$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44 68
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 69$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70
71{
72 # very ugly, but ensure we acquire the storable lock
73
74 sub net_mstore {
75 my $guard = Coro::Storable::guard;
76 &Storable::net_mstore
77 }
78
79 sub mretrieve {
80 my $guard = Coro::Storable::guard;
81 &Storable::mretrieve
82 }
83
84 Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
85 Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
86}
46 87
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 88sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 89
49our %COMMAND = (); 90our %COMMAND = ();
50our %COMMAND_TIME = (); 91our %COMMAND_TIME = ();
51 92
52our @EXTS = (); # list of extension package names 93our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 94our %EXTCMD = ();
95our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 96our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 97our %EXT_MAP = (); # pluggable maps
56 98
57our $RELOAD; # number of reloads so far 99our $RELOAD; # number of reloads so far
58our @EVENT; 100our @EVENT;
59 101
60our $CONFDIR = confdir; 102our $CONFDIR = confdir;
61our $DATADIR = datadir; 103our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 104our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 105our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 106our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 107our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 108our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 109our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 110our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 111our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 112our $BDBDIR = "$LOCALDIR/db";
113our $PIDFILE = "$LOCALDIR/pid";
114our $RUNTIMEFILE = "$LOCALDIR/runtime";
115
116our %RESOURCE;
71 117
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 118our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 119our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 120our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 121our $USE_FSYNC = 1; # use fsync to write maps - default off
79 122
123our $BDB_DEADLOCK_WATCHER;
124our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 125our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 126our $DB_ENV;
82 127
83our %CFG; 128our %CFG;
84 129
85our $UPTIME; $UPTIME ||= time; 130our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 131our $RUNTIME;
132our $NOW;
87 133
88our %PLAYER; # all users 134our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 135our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 136our $LINK_MAP; # the special {link} map, which is always available
91 137
92# used to convert map paths into valid unix filenames by replacing / by ∕ 138# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 139our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 140
141our $LOAD; # a number between 0 (idle) and 1 (too many objects)
142our $LOADAVG; # same thing, but with alpha-smoothing
143our $JITTER; # average jitter
144our $TICK_START; # for load detecting purposes
145
95binmode STDOUT; 146binmode STDOUT;
96binmode STDERR; 147binmode STDERR;
97 148
98# read virtual server time, if available 149# read virtual server time, if available
99unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 150unless ($RUNTIME || !-e $RUNTIMEFILE) {
100 open my $fh, "<", "$LOCALDIR/runtime" 151 open my $fh, "<", $RUNTIMEFILE
101 or die "unable to read runtime file: $!"; 152 or die "unable to read $RUNTIMEFILE file: $!";
102 $RUNTIME = <$fh> + 0.; 153 $RUNTIME = <$fh> + 0.;
103} 154}
104 155
105mkdir $_ 156mkdir $_
106 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 157 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
… …
139 190
140=item $cf::TICK 191=item $cf::TICK
141 192
142The interval between server ticks, in seconds. 193The interval between server ticks, in seconds.
143 194
195=item $cf::LOADAVG
196
197The current CPU load on the server (alpha-smoothed), as a value between 0
198(none) and 1 (overloaded), indicating how much time is spent on processing
199objects per tick. Healthy values are < 0.5.
200
201=item $cf::LOAD
202
203The raw value load value from the last tick.
204
144=item %cf::CFG 205=item %cf::CFG
145 206
146Configuration for the server, loaded from C</etc/crossfire/config>, or 207Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 208from wherever your confdir points to.
148 209
149=item cf::wait_for_tick, cf::wait_for_tick_begin 210=item cf::wait_for_tick, cf::wait_for_tick_begin
150 211
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 212These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152returns directly I<after> the tick processing (and consequently, can only wake one process 213returns directly I<after> the tick processing (and consequently, can only wake one process
153per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 214per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 215
216=item @cf::INVOKE_RESULTS
217
218This array contains the results of the last C<invoke ()> call. When
219C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
220that call.
221
155=back 222=back
156 223
157=cut 224=cut
158 225
159BEGIN { 226BEGIN {
… …
163 $msg .= "\n" 230 $msg .= "\n"
164 unless $msg =~ /\n$/; 231 unless $msg =~ /\n$/;
165 232
166 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 233 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167 234
168 utf8::encode $msg;
169 LOG llevError, $msg; 235 LOG llevError, $msg;
170 }; 236 };
171} 237}
238
239$Coro::State::DIEHOOK = sub {
240 return unless $^S eq 0; # "eq", not "=="
241
242 if ($Coro::current == $Coro::main) {#d#
243 warn "DIEHOOK called in main context, Coro bug?\n";#d#
244 return;#d#
245 }#d#
246
247 # kill coroutine otherwise
248 warn Carp::longmess $_[0];
249 Coro::terminate
250};
251
252$SIG{__DIE__} = sub { }; #d#?
172 253
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 254@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 255@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 256@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 257@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 258@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
259@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 260@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 261
180# we bless all objects into (empty) derived classes to force a method lookup 262# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 263# within the Safe compartment.
182for my $pkg (qw( 264for my $pkg (qw(
183 cf::global cf::attachable 265 cf::global cf::attachable
184 cf::object cf::object::player 266 cf::object cf::object::player
185 cf::client cf::player 267 cf::client cf::player
186 cf::arch cf::living 268 cf::arch cf::living
269 cf::map cf::mapspace
187 cf::map cf::party cf::region 270 cf::party cf::region
188)) { 271)) {
189 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 272 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 273}
192 274
193$Event::DIED = sub { 275$EV::DIED = sub {
194 warn "error in event callback: @_"; 276 warn "error in event callback: @_";
195}; 277};
278
279#############################################################################
196 280
197=head2 UTILITY FUNCTIONS 281=head2 UTILITY FUNCTIONS
198 282
199=over 4 283=over 4
200 284
… …
219 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 303 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220 $d 304 $d
221 } || "[unable to dump $_[0]: '$@']"; 305 } || "[unable to dump $_[0]: '$@']";
222} 306}
223 307
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 308=item $ref = cf::decode_json $json
227 309
228Converts a JSON string into the corresponding perl data structure. 310Converts a JSON string into the corresponding perl data structure.
229 311
230=item $json = cf::to_json $ref 312=item $json = cf::encode_json $ref
231 313
232Converts a perl data structure into its JSON representation. 314Converts a perl data structure into its JSON representation.
315
316=cut
317
318our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
319
320sub encode_json($) { $json_coder->encode ($_[0]) }
321sub decode_json($) { $json_coder->decode ($_[0]) }
233 322
234=item cf::lock_wait $string 323=item cf::lock_wait $string
235 324
236Wait until the given lock is available. See cf::lock_acquire. 325Wait until the given lock is available. See cf::lock_acquire.
237 326
… …
240Wait until the given lock is available and then acquires it and returns 329Wait until the given lock is available and then acquires it and returns
241a Coro::guard object. If the guard object gets destroyed (goes out of scope, 330a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242for example when the coroutine gets canceled), the lock is automatically 331for example when the coroutine gets canceled), the lock is automatically
243returned. 332returned.
244 333
334Locks are *not* recursive, locking from the same coro twice results in a
335deadlocked coro.
336
245Lock names should begin with a unique identifier (for example, cf::map::find 337Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 338uses map_find and cf::map::load uses map_load).
247 339
248=item $locked = cf::lock_active $string 340=item $locked = cf::lock_active $string
249 341
250Return true if the lock is currently active, i.e. somebody has locked it. 342Return true if the lock is currently active, i.e. somebody has locked it.
251 343
252=cut 344=cut
253 345
254our %LOCK; 346our %LOCK;
347our %LOCKER;#d#
255 348
256sub lock_wait($) { 349sub lock_wait($) {
257 my ($key) = @_; 350 my ($key) = @_;
351
352 if ($LOCKER{$key} == $Coro::current) {#d#
353 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
354 return;#d#
355 }#d#
258 356
259 # wait for lock, if any 357 # wait for lock, if any
260 while ($LOCK{$key}) { 358 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current; 359 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule; 360 Coro::schedule;
… …
268 366
269 # wait, to be sure we are not locked 367 # wait, to be sure we are not locked
270 lock_wait $key; 368 lock_wait $key;
271 369
272 $LOCK{$key} = []; 370 $LOCK{$key} = [];
371 $LOCKER{$key} = $Coro::current;#d#
273 372
274 Coro::guard { 373 Coro::guard {
374 delete $LOCKER{$key};#d#
275 # wake up all waiters, to be on the safe side 375 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} }; 376 $_->ready for @{ delete $LOCK{$key} };
277 } 377 }
278} 378}
279 379
… …
282 382
283 ! ! $LOCK{$key} 383 ! ! $LOCK{$key}
284} 384}
285 385
286sub freeze_mainloop { 386sub freeze_mainloop {
287 return unless $TICK_WATCHER->is_active; 387 tick_inhibit_inc;
288 388
289 my $guard = Coro::guard { 389 Coro::guard \&tick_inhibit_dec;
290 $TICK_WATCHER->start; 390}
391
392=item cf::periodic $interval, $cb
393
394Like EV::periodic, but randomly selects a starting point so that the actions
395get spread over timer.
396
397=cut
398
399sub periodic($$) {
400 my ($interval, $cb) = @_;
401
402 my $start = rand List::Util::min 180, $interval;
403
404 EV::periodic $start, $interval, 0, $cb
405}
406
407=item cf::get_slot $time[, $priority[, $name]]
408
409Allocate $time seconds of blocking CPU time at priority C<$priority>:
410This call blocks and returns only when you have at least C<$time> seconds
411of cpu time till the next tick. The slot is only valid till the next cede.
412
413The optional C<$name> can be used to identify the job to run. It might be
414used for statistical purposes and should identify the same time-class.
415
416Useful for short background jobs.
417
418=cut
419
420our @SLOT_QUEUE;
421our $SLOT_QUEUE;
422
423$SLOT_QUEUE->cancel if $SLOT_QUEUE;
424$SLOT_QUEUE = Coro::async {
425 $Coro::current->desc ("timeslot manager");
426
427 my $signal = new Coro::Signal;
428
429 while () {
430 next_job:
431 my $avail = cf::till_tick;
432 if ($avail > 0.01) {
433 for (0 .. $#SLOT_QUEUE) {
434 if ($SLOT_QUEUE[$_][0] < $avail) {
435 my $job = splice @SLOT_QUEUE, $_, 1, ();
436 $job->[2]->send;
437 Coro::cede;
438 goto next_job;
439 }
440 }
441 }
442
443 if (@SLOT_QUEUE) {
444 # we do not use wait_for_tick() as it returns immediately when tick is inactive
445 push @cf::WAIT_FOR_TICK, $signal;
446 $signal->wait;
447 } else {
448 Coro::schedule;
449 }
291 }; 450 }
292 $TICK_WATCHER->stop; 451};
293 $guard 452
453sub get_slot($;$$) {
454 return if tick_inhibit || $Coro::current == $Coro::main;
455
456 my ($time, $pri, $name) = @_;
457
458 $time = $TICK * .6 if $time > $TICK * .6;
459 my $sig = new Coro::Signal;
460
461 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
462 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
463 $SLOT_QUEUE->ready;
464 $sig->wait;
294} 465}
295 466
296=item cf::async { BLOCK } 467=item cf::async { BLOCK }
297 468
298Currently the same as Coro::async_pool, meaning you cannot use 469Currently the same as Coro::async_pool, meaning you cannot use
… …
303 474
304BEGIN { *async = \&Coro::async_pool } 475BEGIN { *async = \&Coro::async_pool }
305 476
306=item cf::sync_job { BLOCK } 477=item cf::sync_job { BLOCK }
307 478
308The design of crossfire+ requires that the main coro ($Coro::main) is 479The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 480is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 481partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
482acceptable.
311 483
312If it must be done, put the blocking parts into C<sync_job>. This will run 484If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 485the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 486server will be frozen during this time, so the block should either finish
315fast or be very important. 487fast or be very important.
… …
318 490
319sub sync_job(&) { 491sub sync_job(&) {
320 my ($job) = @_; 492 my ($job) = @_;
321 493
322 if ($Coro::current == $Coro::main) { 494 if ($Coro::current == $Coro::main) {
495 my $time = EV::time;
496
323 # this is the main coro, too bad, we have to block 497 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 498 # till the operation succeeds, freezing the server :/
325 499
326 # TODO: use suspend/resume instead 500 LOG llevError, Carp::longmess "sync job";#d#
327 # (but this is cancel-safe) 501
328 my $freeze_guard = freeze_mainloop; 502 my $freeze_guard = freeze_mainloop;
329 503
330 my $busy = 1; 504 my $busy = 1;
331 my @res; 505 my @res;
332 506
333 (async { 507 (async {
508 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 509 @res = eval { $job->() };
335 warn $@ if $@; 510 warn $@ if $@;
336 undef $busy; 511 undef $busy;
337 })->prio (Coro::PRIO_MAX); 512 })->prio (Coro::PRIO_MAX);
338 513
339 while ($busy) { 514 while ($busy) {
340 Coro::cede or Event::one_event; 515 if (Coro::nready) {
516 Coro::cede_notself;
517 } else {
518 EV::loop EV::LOOP_ONESHOT;
341 } 519 }
520 }
521
522 my $time = EV::time - $time;
523
524 $TICK_START += $time; # do not account sync jobs to server load
342 525
343 wantarray ? @res : $res[0] 526 wantarray ? @res : $res[0]
344 } else { 527 } else {
345 # we are in another coroutine, how wonderful, everything just works 528 # we are in another coroutine, how wonderful, everything just works
346 529
… …
366 $EXT_CORO{$coro+0} = $coro; 549 $EXT_CORO{$coro+0} = $coro;
367 550
368 $coro 551 $coro
369} 552}
370 553
371sub write_runtime { 554=item fork_call { }, $args
372 my $guard = cf::lock_acquire "write_runtime";
373 555
374 my $runtime = "$LOCALDIR/runtime"; 556Executes the given code block with the given arguments in a seperate
557process, returning the results. Everything must be serialisable with
558Coro::Storable. May, of course, block. Note that the executed sub may
559never block itself or use any form of event handling.
375 560
376 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 561=cut
377 or return;
378 562
379 my $value = $cf::RUNTIME + 90 + 10; 563sub fork_call(&@) {
380 # 10 is the runtime save interval, for a monotonic clock 564 my ($cb, @args) = @_;
381 # 60 allows for the watchdog to kill the server.
382 565
383 (aio_write $fh, 0, (length $value), $value, 0) <= 0 566 # we seemingly have to make a local copy of the whole thing,
384 and return; 567 # otherwise perl prematurely frees the stuff :/
568 # TODO: investigate and fix (likely this will be rather laborious)
385 569
386 # always fsync - this file is important 570 my @res = Coro::Util::fork_eval {
387 aio_fsync $fh 571 reset_signals;
388 and return; 572 &$cb
573 }, @args;
389 574
390 close $fh 575 wantarray ? @res : $res[-1]
391 or return; 576}
392 577
393 aio_rename "$runtime~", $runtime 578=item $coin = coin_from_name $name
394 and return;
395 579
580=cut
581
582our %coin_alias = (
583 "silver" => "silvercoin",
584 "silvercoin" => "silvercoin",
585 "silvercoins" => "silvercoin",
586 "gold" => "goldcoin",
587 "goldcoin" => "goldcoin",
588 "goldcoins" => "goldcoin",
589 "platinum" => "platinacoin",
590 "platinumcoin" => "platinacoin",
591 "platinumcoins" => "platinacoin",
592 "platina" => "platinacoin",
593 "platinacoin" => "platinacoin",
594 "platinacoins" => "platinacoin",
595 "royalty" => "royalty",
596 "royalties" => "royalty",
597);
598
599sub coin_from_name($) {
600 $coin_alias{$_[0]}
601 ? cf::arch::find $coin_alias{$_[0]}
602 : undef
603}
604
605=item $value = cf::db_get $family => $key
606
607Returns a single value from the environment database.
608
609=item cf::db_put $family => $key => $value
610
611Stores the given C<$value> in the family. It can currently store binary
612data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
613
614=item $db = cf::db_table "name"
615
616Create and/or open a new database table. The string must not be "db" and must be unique
617within each server.
618
619=cut
620
621sub db_table($) {
622 my ($name) = @_;
623 my $db = BDB::db_create $DB_ENV;
624
625 eval {
626 $db->set_flags (BDB::CHKSUM);
627
628 utf8::encode $name;
629 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
630 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
631 cf::cleanup "db_open(db): $!" if $!;
632 };
633 cf::cleanup "db_open(db): $@" if $@;
634
635 $db
636}
637
638our $DB;
639
640sub db_init {
641 cf::sync_job {
642 $DB ||= db_table "db";
643 };
644}
645
646sub db_get($$) {
647 my $key = "$_[0]/$_[1]";
648
649 cf::sync_job {
650 BDB::db_get $DB, undef, $key, my $data;
651
652 $! ? ()
653 : $data
396 1 654 }
655}
656
657sub db_put($$$) {
658 BDB::dbreq_pri 4;
659 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
660}
661
662=item cf::cache $id => [$paths...], $processversion => $process
663
664Generic caching function that returns the value of the resource $id,
665caching and regenerating as required.
666
667This function can block.
668
669=cut
670
671sub cache {
672 my ($id, $src, $processversion, $process) = @_;
673
674 my $meta =
675 join "\x00",
676 $processversion,
677 map {
678 aio_stat $_
679 and Carp::croak "$_: $!";
680
681 ($_, (stat _)[7,9])
682 } @$src;
683
684 my $dbmeta = db_get cache => "$id/meta";
685 if ($dbmeta ne $meta) {
686 # changed, we may need to process
687
688 my @data;
689 my $md5;
690
691 for (0 .. $#$src) {
692 0 <= aio_load $src->[$_], $data[$_]
693 or Carp::croak "$src->[$_]: $!";
694 }
695
696 # if processing is expensive, check
697 # checksum first
698 if (1) {
699 $md5 =
700 join "\x00",
701 $processversion,
702 map {
703 cf::cede_to_tick;
704 ($src->[$_], Digest::MD5::md5_hex $data[$_])
705 } 0.. $#$src;
706
707
708 my $dbmd5 = db_get cache => "$id/md5";
709 if ($dbmd5 eq $md5) {
710 db_put cache => "$id/meta", $meta;
711
712 return db_get cache => "$id/data";
713 }
714 }
715
716 my $t1 = Time::HiRes::time;
717 my $data = $process->(\@data);
718 my $t2 = Time::HiRes::time;
719
720 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
721
722 db_put cache => "$id/data", $data;
723 db_put cache => "$id/md5" , $md5;
724 db_put cache => "$id/meta", $meta;
725
726 return $data;
727 }
728
729 db_get cache => "$id/data"
397} 730}
398 731
399=item cf::datalog type => key => value, ... 732=item cf::datalog type => key => value, ...
400 733
401Log a datalog packet of the given type with the given key-value pairs. 734Log a datalog packet of the given type with the given key-value pairs.
… …
413 746
414############################################################################# 747#############################################################################
415 748
416=head2 ATTACHABLE OBJECTS 749=head2 ATTACHABLE OBJECTS
417 750
418Many objects in crossfire are so-called attachable objects. That means you can 751Many objects in deliantra are so-called attachable objects. That means you can
419attach callbacks/event handlers (a collection of which is called an "attachment") 752attach callbacks/event handlers (a collection of which is called an "attachment")
420to it. All such attachable objects support the following methods. 753to it. All such attachable objects support the following methods.
421 754
422In the following description, CLASS can be any of C<global>, C<object> 755In the following description, CLASS can be any of C<global>, C<object>
423C<player>, C<client> or C<map> (i.e. the attachable objects in 756C<player>, C<client> or C<map> (i.e. the attachable objects in
424crossfire+). 757Deliantra).
425 758
426=over 4 759=over 4
427 760
428=item $attachable->attach ($attachment, key => $value...) 761=item $attachable->attach ($attachment, key => $value...)
429 762
… …
473=item cf::CLASS::attachment $name, ... 806=item cf::CLASS::attachment $name, ...
474 807
475Register an attachment by C<$name> through which attachable objects of the 808Register an attachment by C<$name> through which attachable objects of the
476given CLASS can refer to this attachment. 809given CLASS can refer to this attachment.
477 810
478Some classes such as crossfire maps and objects can specify attachments 811Some classes such as deliantra maps and objects can specify attachments
479that are attached at load/instantiate time, thus the need for a name. 812that are attached at load/instantiate time, thus the need for a name.
480 813
481These calls expect any number of the following handler/hook descriptions: 814These calls expect any number of the following handler/hook descriptions:
482 815
483=over 4 816=over 4
… …
592 $registry = $CB_TYPE[$object_type] ||= []; 925 $registry = $CB_TYPE[$object_type] ||= [];
593 926
594 } elsif ($type eq "subtype") { 927 } elsif ($type eq "subtype") {
595 defined $object_type or Carp::croak "subtype specified without type"; 928 defined $object_type or Carp::croak "subtype specified without type";
596 my $object_subtype = shift @arg; 929 my $object_subtype = shift @arg;
597 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 930 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598 931
599 } elsif ($type eq "package") { 932 } elsif ($type eq "package") {
600 my $pkg = shift @arg; 933 my $pkg = shift @arg;
601 934
602 while (my ($name, $id) = each %cb_id) { 935 while (my ($name, $id) = each %cb_id) {
… …
631 _attach $registry, $klass, @attach; 964 _attach $registry, $klass, @attach;
632 } 965 }
633 966
634 $obj->{$name} = \%arg; 967 $obj->{$name} = \%arg;
635 } else { 968 } else {
636 warn "object uses attachment '$name' that is not available, postponing.\n"; 969 warn "object uses attachment '$name' which is not available, postponing.\n";
637 } 970 }
638 971
639 $obj->{_attachment}{$name} = undef; 972 $obj->{_attachment}{$name} = undef;
640} 973}
641 974
… …
643 if (ref $_[0]) { 976 if (ref $_[0]) {
644 _object_attach @_; 977 _object_attach @_;
645 } else { 978 } else {
646 _attach shift->_attach_registry, @_; 979 _attach shift->_attach_registry, @_;
647 } 980 }
981 _recalc_want;
648}; 982};
649 983
650# all those should be optimised 984# all those should be optimised
651sub cf::attachable::detach { 985sub cf::attachable::detach {
652 my ($obj, $name) = @_; 986 my ($obj, $name) = @_;
… …
655 delete $obj->{_attachment}{$name}; 989 delete $obj->{_attachment}{$name};
656 reattach ($obj); 990 reattach ($obj);
657 } else { 991 } else {
658 Carp::croak "cannot, currently, detach class attachments"; 992 Carp::croak "cannot, currently, detach class attachments";
659 } 993 }
994 _recalc_want;
660}; 995};
661 996
662sub cf::attachable::attached { 997sub cf::attachable::attached {
663 my ($obj, $name) = @_; 998 my ($obj, $name) = @_;
664 999
… …
679 "; 1014 ";
680 die if $@; 1015 die if $@;
681} 1016}
682 1017
683our $override; 1018our $override;
684our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1019our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685 1020
686sub override { 1021sub override {
687 $override = 1; 1022 $override = 1;
688 @invoke_results = (); 1023 @INVOKE_RESULTS = (@_);
689} 1024}
690 1025
691sub do_invoke { 1026sub do_invoke {
692 my $event = shift; 1027 my $event = shift;
693 my $callbacks = shift; 1028 my $callbacks = shift;
694 1029
695 @invoke_results = (); 1030 @INVOKE_RESULTS = ();
696 1031
697 local $override; 1032 local $override;
698 1033
699 for (@$callbacks) { 1034 for (@$callbacks) {
700 eval { &{$_->[1]} }; 1035 eval { &{$_->[1]} };
… …
709 } 1044 }
710 1045
711 0 1046 0
712} 1047}
713 1048
714=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1049=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715 1050
716=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1051=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717 1052
718Generate an object-specific event with the given arguments. 1053Generate an object-specific event with the given arguments.
719 1054
720This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1055This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721removed in future versions), and there is no public API to access override 1056removed in future versions), and there is no public API to access override
722results (if you must, access C<@cf::invoke_results> directly). 1057results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723 1058
724=back 1059=back
725 1060
726=cut 1061=cut
727 1062
728############################################################################# 1063#############################################################################
729# object support 1064# object support
1065
1066sub _object_equal($$);
1067sub _object_equal($$) {
1068 my ($a, $b) = @_;
1069
1070 return 0 unless (ref $a) eq (ref $b);
1071
1072 if ("HASH" eq ref $a) {
1073 my @ka = keys %$a;
1074 my @kb = keys %$b;
1075
1076 return 0 if @ka != @kb;
1077
1078 for (0 .. $#ka) {
1079 return 0 unless $ka[$_] eq $kb[$_];
1080 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1081 }
1082
1083 } elsif ("ARRAY" eq ref $a) {
1084
1085 return 0 if @$a != @$b;
1086
1087 for (0 .. $#$a) {
1088 return 0 unless _object_equal $a->[$_], $b->[$_];
1089 }
1090
1091 } elsif ($a ne $b) {
1092 return 0;
1093 }
1094
1095 1
1096}
1097
1098our $SLOW_MERGES;#d#
1099sub _can_merge {
1100 my ($ob1, $ob2) = @_;
1101
1102 ++$SLOW_MERGES;#d#
1103
1104 # we do the slow way here
1105 return _object_equal $ob1, $ob2
1106}
730 1107
731sub reattach { 1108sub reattach {
732 # basically do the same as instantiate, without calling instantiate 1109 # basically do the same as instantiate, without calling instantiate
733 my ($obj) = @_; 1110 my ($obj) = @_;
734 1111
1112 # no longer needed after getting rid of delete_package?
735 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1113 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736 1114
737 my $registry = $obj->registry; 1115 my $registry = $obj->registry;
738 1116
739 @$registry = (); 1117 @$registry = ();
740 1118
… …
755cf::attachable->attach ( 1133cf::attachable->attach (
756 prio => -1000000, 1134 prio => -1000000,
757 on_instantiate => sub { 1135 on_instantiate => sub {
758 my ($obj, $data) = @_; 1136 my ($obj, $data) = @_;
759 1137
760 $data = from_json $data; 1138 $data = decode_json $data;
761 1139
762 for (@$data) { 1140 for (@$data) {
763 my ($name, $args) = @$_; 1141 my ($name, $args) = @$_;
764 1142
765 $obj->attach ($name, %{$args || {} }); 1143 $obj->attach ($name, %{$args || {} });
… …
781sub object_freezer_save { 1159sub object_freezer_save {
782 my ($filename, $rdata, $objs) = @_; 1160 my ($filename, $rdata, $objs) = @_;
783 1161
784 sync_job { 1162 sync_job {
785 if (length $$rdata) { 1163 if (length $$rdata) {
1164 utf8::decode (my $decname = $filename);
786 warn sprintf "saving %s (%d,%d)\n", 1165 warn sprintf "saving %s (%d,%d)\n",
787 $filename, length $$rdata, scalar @$objs; 1166 $decname, length $$rdata, scalar @$objs;
788 1167
789 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1168 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790 chmod SAVE_MODE, $fh; 1169 aio_chmod $fh, SAVE_MODE;
791 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1170 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792 aio_fsync $fh if $cf::USE_FSYNC; 1171 aio_fsync $fh if $cf::USE_FSYNC;
793 close $fh; 1172 aio_close $fh;
794 1173
795 if (@$objs) { 1174 if (@$objs) {
796 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1175 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797 chmod SAVE_MODE, $fh; 1176 aio_chmod $fh, SAVE_MODE;
798 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1177 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799 aio_write $fh, 0, (length $data), $data, 0; 1178 aio_write $fh, 0, (length $data), $data, 0;
800 aio_fsync $fh if $cf::USE_FSYNC; 1179 aio_fsync $fh if $cf::USE_FSYNC;
801 close $fh; 1180 aio_close $fh;
802 aio_rename "$filename.pst~", "$filename.pst"; 1181 aio_rename "$filename.pst~", "$filename.pst";
803 } 1182 }
804 } else { 1183 } else {
805 aio_unlink "$filename.pst"; 1184 aio_unlink "$filename.pst";
806 } 1185 }
… …
811 } 1190 }
812 } else { 1191 } else {
813 aio_unlink $filename; 1192 aio_unlink $filename;
814 aio_unlink "$filename.pst"; 1193 aio_unlink "$filename.pst";
815 } 1194 }
816 } 1195 };
817} 1196}
818 1197
819sub object_freezer_as_string { 1198sub object_freezer_as_string {
820 my ($rdata, $objs) = @_; 1199 my ($rdata, $objs) = @_;
821 1200
… …
833 or return; 1212 or return;
834 1213
835 unless (aio_stat "$filename.pst") { 1214 unless (aio_stat "$filename.pst") {
836 (aio_load "$filename.pst", $av) >= 0 1215 (aio_load "$filename.pst", $av) >= 0
837 or return; 1216 or return;
1217
838 $av = eval { (Storable::thaw $av)->{objs} }; 1218 my $st = eval { Coro::Storable::thaw $av };
1219 $av = $st->{objs};
839 } 1220 }
840 1221
1222 utf8::decode (my $decname = $filename);
841 warn sprintf "loading %s (%d)\n", 1223 warn sprintf "loading %s (%d,%d)\n",
842 $filename, length $data, scalar @{$av || []};#d# 1224 $decname, length $data, scalar @{$av || []};
1225
843 return ($data, $av); 1226 ($data, $av)
844} 1227}
1228
1229=head2 COMMAND CALLBACKS
1230
1231=over 4
1232
1233=cut
845 1234
846############################################################################# 1235#############################################################################
847# command handling &c 1236# command handling &c
848 1237
849=item cf::register_command $name => \&callback($ob,$args); 1238=item cf::register_command $name => \&callback($ob,$args);
… …
862 push @{ $COMMAND{$name} }, [$caller, $cb]; 1251 push @{ $COMMAND{$name} }, [$caller, $cb];
863} 1252}
864 1253
865=item cf::register_extcmd $name => \&callback($pl,$packet); 1254=item cf::register_extcmd $name => \&callback($pl,$packet);
866 1255
867Register a callbackf ro execution when the client sends an extcmd packet. 1256Register a callback for execution when the client sends an (synchronous)
1257extcmd packet. Ext commands will be processed in the order they are
1258received by the server, like other user commands. The first argument is
1259the logged-in player. Ext commands can only be processed after a player
1260has logged in successfully.
868 1261
869If the callback returns something, it is sent back as if reply was being 1262If the callback returns something, it is sent back as if reply was being
870called. 1263called.
871 1264
1265=item cf::register_exticmd $name => \&callback($ns,$packet);
1266
1267Register a callback for execution when the client sends an (asynchronous)
1268exticmd packet. Exti commands are processed by the server as soon as they
1269are received, i.e. out of order w.r.t. other commands. The first argument
1270is a client socket. Exti commands can be received anytime, even before
1271log-in.
1272
1273If the callback returns something, it is sent back as if reply was being
1274called.
1275
872=cut 1276=cut
873 1277
874sub register_extcmd { 1278sub register_extcmd {
875 my ($name, $cb) = @_; 1279 my ($name, $cb) = @_;
876 1280
877 $EXTCMD{$name} = $cb; 1281 $EXTCMD{$name} = $cb;
1282}
1283
1284sub register_exticmd {
1285 my ($name, $cb) = @_;
1286
1287 $EXTICMD{$name} = $cb;
878} 1288}
879 1289
880cf::player->attach ( 1290cf::player->attach (
881 on_command => sub { 1291 on_command => sub {
882 my ($pl, $name, $params) = @_; 1292 my ($pl, $name, $params) = @_;
… …
891 cf::override; 1301 cf::override;
892 }, 1302 },
893 on_extcmd => sub { 1303 on_extcmd => sub {
894 my ($pl, $buf) = @_; 1304 my ($pl, $buf) = @_;
895 1305
896 my $msg = eval { from_json $buf }; 1306 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897 1307
898 if (ref $msg) { 1308 if (ref $msg) {
1309 my ($type, $reply, @payload) =
1310 "ARRAY" eq ref $msg
1311 ? @$msg
1312 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1313
1314 my @reply;
1315
899 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1316 if (my $cb = $EXTCMD{$type}) {
900 if (my %reply = $cb->($pl, $msg)) { 1317 @reply = $cb->($pl, @payload);
901 $pl->ext_reply ($msg->{msgid}, %reply);
902 }
903 } 1318 }
1319
1320 $pl->ext_reply ($reply, @reply)
1321 if $reply;
1322
904 } else { 1323 } else {
905 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1324 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906 } 1325 }
907 1326
908 cf::override; 1327 cf::override;
909 }, 1328 },
910); 1329);
911 1330
912sub load_extension {
913 my ($path) = @_;
914
915 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
916 my $base = $1;
917 my $pkg = $1;
918 $pkg =~ s/[^[:word:]]/_/g;
919 $pkg = "ext::$pkg";
920
921 warn "... loading '$path' into '$pkg'\n";
922
923 open my $fh, "<:utf8", $path
924 or die "$path: $!";
925
926 my $source =
927 "package $pkg; use strict; use utf8;\n"
928 . "#line 1 \"$path\"\n{\n"
929 . (do { local $/; <$fh> })
930 . "\n};\n1";
931
932 unless (eval $source) {
933 my $msg = $@ ? "$path: $@\n"
934 : "extension disabled.\n";
935 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936 warn $@;
937 warn "mandatory extension failed to load, exiting.\n";
938 exit 1;
939 }
940 die $@;
941 }
942
943 push @EXTS, $pkg;
944}
945
946sub load_extensions { 1331sub load_extensions {
1332 cf::sync_job {
1333 my %todo;
1334
947 for my $ext (<$LIBDIR/*.ext>) { 1335 for my $path (<$LIBDIR/*.ext>) {
948 next unless -r $ext; 1336 next unless -r $path;
949 eval { 1337
950 load_extension $ext; 1338 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1339 my $base = $1;
1340 my $pkg = $1;
1341 $pkg =~ s/[^[:word:]]/_/g;
1342 $pkg = "ext::$pkg";
1343
1344 open my $fh, "<:utf8", $path
1345 or die "$path: $!";
1346
1347 my $source = do { local $/; <$fh> };
1348
1349 my %ext = (
1350 path => $path,
1351 base => $base,
1352 pkg => $pkg,
1353 );
1354
1355 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1356 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1357
1358 $ext{source} =
1359 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1360 . "#line 1 \"$path\"\n{\n"
1361 . $source
1362 . "\n};\n1";
1363
1364 $todo{$base} = \%ext;
1365 }
1366
1367 my %done;
1368 while (%todo) {
1369 my $progress;
1370
1371 while (my ($k, $v) = each %todo) {
1372 for (split /,\s*/, $v->{meta}{depends}) {
1373 goto skip
1374 unless exists $done{$_};
1375 }
1376
1377 warn "... loading '$k' into '$v->{pkg}'\n";
1378
1379 unless (eval $v->{source}) {
1380 my $msg = $@ ? "$v->{path}: $@\n"
1381 : "$v->{base}: extension inactive.\n";
1382
1383 if (exists $v->{meta}{mandatory}) {
1384 warn $msg;
1385 cf::cleanup "mandatory extension failed to load, exiting.";
1386 }
1387
1388 warn $msg;
1389 }
1390
1391 $done{$k} = delete $todo{$k};
1392 push @EXTS, $v->{pkg};
1393 $progress = 1;
951 1 1394 }
952 } or warn "$ext not loaded: $@"; 1395
1396 skip:
1397 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1398 unless $progress;
1399 }
953 } 1400 };
954} 1401}
955 1402
956############################################################################# 1403#############################################################################
957 1404
1405=back
1406
958=head2 CORE EXTENSIONS 1407=head2 CORE EXTENSIONS
959 1408
960Functions and methods that extend core crossfire objects. 1409Functions and methods that extend core deliantra objects.
961 1410
962=cut 1411=cut
963 1412
964package cf::player; 1413package cf::player;
965 1414
966use Coro::AIO; 1415use Coro::AIO;
967 1416
968=head3 cf::player 1417=head3 cf::player
969 1418
970=over 4 1419=over 4
1420
1421=item cf::player::num_playing
1422
1423Returns the official number of playing players, as per the Crossfire metaserver rules.
1424
1425=cut
1426
1427sub num_playing {
1428 scalar grep
1429 $_->ob->map
1430 && !$_->hidden
1431 && !$_->ob->flag (cf::FLAG_WIZ),
1432 cf::player::list
1433}
971 1434
972=item cf::player::find $login 1435=item cf::player::find $login
973 1436
974Returns the given player object, loading it if necessary (might block). 1437Returns the given player object, loading it if necessary (might block).
975 1438
… …
1011 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1474 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1475 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1476 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014 aio_unlink +(playerdir $login) . "/$login.pl"; 1477 aio_unlink +(playerdir $login) . "/$login.pl";
1015 1478
1016 my $pl = load_pl path $login 1479 my $f = new_from_file cf::object::thawer path $login
1017 or return; 1480 or return;
1481
1482 my $pl = cf::player::load_pl $f
1483 or return;
1484
1485 local $cf::PLAYER_LOADING{$login} = $pl;
1486 $f->resolve_delayed_derefs;
1018 $cf::PLAYER{$login} = $pl 1487 $cf::PLAYER{$login} = $pl
1019 } 1488 }
1020 } 1489 }
1021} 1490}
1022 1491
… …
1031 return if $pl->{deny_save}; 1500 return if $pl->{deny_save};
1032 1501
1033 aio_mkdir playerdir $pl, 0770; 1502 aio_mkdir playerdir $pl, 0770;
1034 $pl->{last_save} = $cf::RUNTIME; 1503 $pl->{last_save} = $cf::RUNTIME;
1035 1504
1505 cf::get_slot 0.01;
1506
1036 $pl->save_pl ($path); 1507 $pl->save_pl ($path);
1037 Coro::cede; 1508 cf::cede_to_tick;
1038} 1509}
1039 1510
1040sub new($) { 1511sub new($) {
1041 my ($login) = @_; 1512 my ($login) = @_;
1042 1513
… …
1048 $cf::PLAYER{$login} = $self; 1519 $cf::PLAYER{$login} = $self;
1049 1520
1050 $self 1521 $self
1051} 1522}
1052 1523
1524=item $player->send_msg ($channel, $msg, $color, [extra...])
1525
1526=cut
1527
1528sub send_msg {
1529 my $ns = shift->ns
1530 or return;
1531 $ns->send_msg (@_);
1532}
1533
1053=item $pl->quit_character 1534=item $pl->quit_character
1054 1535
1055Nukes the player without looking back. If logged in, the connection will 1536Nukes the player without looking back. If logged in, the connection will
1056be destroyed. May block for a long time. 1537be destroyed. May block for a long time.
1057 1538
… …
1061 my ($pl) = @_; 1542 my ($pl) = @_;
1062 1543
1063 my $name = $pl->ob->name; 1544 my $name = $pl->ob->name;
1064 1545
1065 $pl->{deny_save} = 1; 1546 $pl->{deny_save} = 1;
1066 $pl->password ("*"); # this should lock out the player until we nuked the dir 1547 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1067 1548
1068 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1549 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069 $pl->deactivate; 1550 $pl->deactivate;
1551 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1552 $pl->ob->check_score;
1070 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1553 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1071 $pl->ns->destroy if $pl->ns; 1554 $pl->ns->destroy if $pl->ns;
1072 1555
1073 my $path = playerdir $pl; 1556 my $path = playerdir $pl;
1074 my $temp = "$path~$cf::RUNTIME~deleting~"; 1557 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1110 or return []; 1593 or return [];
1111 1594
1112 my @logins; 1595 my @logins;
1113 1596
1114 for my $login (@$dirs) { 1597 for my $login (@$dirs) {
1598 my $path = path $login;
1599
1600 # a .pst is a dead give-away for a valid player
1601 # if no pst file found, open and chekc for blocked users
1602 if (aio_stat "$path.pst") {
1115 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1603 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116 aio_read $fh, 0, 512, my $buf, 0 or next; 1604 aio_read $fh, 0, 512, my $buf, 0 or next;
1117 $buf !~ /^password -------------$/m or next; # official not-valid tag 1605 $buf !~ /^password -------------$/m or next; # official not-valid tag
1606 }
1118 1607
1119 utf8::decode $login; 1608 utf8::decode $login;
1120 push @logins, $login; 1609 push @logins, $login;
1121 } 1610 }
1122 1611
… …
1149 } 1638 }
1150 1639
1151 \@paths 1640 \@paths
1152} 1641}
1153 1642
1643=item $protocol_xml = $player->expand_cfpod ($cfpod)
1644
1645Expand deliantra pod fragments into protocol xml.
1646
1154=item $player->ext_reply ($msgid, %msg) 1647=item $player->ext_reply ($msgid, @msg)
1155 1648
1156Sends an ext reply to the player. 1649Sends an ext reply to the player.
1157 1650
1158=cut 1651=cut
1159 1652
1160sub ext_reply($$%) { 1653sub ext_reply($$@) {
1161 my ($self, $id, %msg) = @_; 1654 my ($self, $id, @msg) = @_;
1162 1655
1163 $msg{msgid} = $id; 1656 $self->ns->ext_reply ($id, @msg)
1164
1165 $self->send ("ext " . cf::to_json \%msg);
1166} 1657}
1167 1658
1168=item $player->ext_event ($type, %msg) 1659=item $player->ext_msg ($type, @msg)
1169 1660
1170Sends an ext event to the client. 1661Sends an ext event to the client.
1171 1662
1172=cut 1663=cut
1173 1664
1174sub ext_event($$%) { 1665sub ext_msg($$@) {
1175 my ($self, $type, %msg) = @_; 1666 my ($self, $type, @msg) = @_;
1176 1667
1177 $self->ns->ext_event ($type, %msg); 1668 $self->ns->ext_msg ($type, @msg);
1178} 1669}
1179 1670
1180=head3 cf::region 1671=head3 cf::region
1181 1672
1182=over 4 1673=over 4
… …
1185 1676
1186package cf::region; 1677package cf::region;
1187 1678
1188=item cf::region::find_by_path $path 1679=item cf::region::find_by_path $path
1189 1680
1190Tries to decuce the probable region for a map knowing only its path. 1681Tries to decuce the likely region for a map knowing only its path.
1191 1682
1192=cut 1683=cut
1193 1684
1194sub find_by_path($) { 1685sub find_by_path($) {
1195 my ($path) = @_; 1686 my ($path) = @_;
1196 1687
1197 my ($match, $specificity); 1688 my ($match, $specificity);
1198 1689
1199 for my $region (list) { 1690 for my $region (list) {
1200 if ($region->match && $path =~ $region->match) { 1691 if ($region->{match} && $path =~ $region->{match}) {
1201 ($match, $specificity) = ($region, $region->specificity) 1692 ($match, $specificity) = ($region, $region->specificity)
1202 if $region->specificity > $specificity; 1693 if $region->specificity > $specificity;
1203 } 1694 }
1204 } 1695 }
1205 1696
… …
1226our $MAX_RESET = 3600; 1717our $MAX_RESET = 3600;
1227our $DEFAULT_RESET = 3000; 1718our $DEFAULT_RESET = 3000;
1228 1719
1229sub generate_random_map { 1720sub generate_random_map {
1230 my ($self, $rmp) = @_; 1721 my ($self, $rmp) = @_;
1722
1723 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1724
1231 # mit "rum" bekleckern, nicht 1725 # mit "rum" bekleckern, nicht
1232 $self->_create_random_map ( 1726 $self->_create_random_map (
1233 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1727 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1728 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1729 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1269 my ($self, $merge) = @_; 1763 my ($self, $merge) = @_;
1270 1764
1271 # we have to keep some variables in memory intact 1765 # we have to keep some variables in memory intact
1272 local $self->{path}; 1766 local $self->{path};
1273 local $self->{load_path}; 1767 local $self->{load_path};
1274 local $self->{deny_save};
1275 local $self->{deny_reset};
1276 1768
1277 $self->SUPER::thawer_merge ($merge); 1769 $self->SUPER::thawer_merge ($merge);
1278} 1770}
1279 1771
1280sub normalise { 1772sub normalise {
… …
1327 $self->init; # pass $1 etc. 1819 $self->init; # pass $1 etc.
1328 return $self; 1820 return $self;
1329 } 1821 }
1330 } 1822 }
1331 1823
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1824 Carp::cluck "unable to resolve path '$path' (base '$base').";
1333 () 1825 ()
1334} 1826}
1335 1827
1336sub init { 1828sub init {
1337 my ($self) = @_; 1829 my ($self) = @_;
… …
1359 1851
1360# the temporary/swap location 1852# the temporary/swap location
1361sub save_path { 1853sub save_path {
1362 my ($self) = @_; 1854 my ($self) = @_;
1363 1855
1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1856 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365 "$TMPDIR/$path.map" 1857 "$TMPDIR/$path.map"
1366} 1858}
1367 1859
1368# the unique path, undef == no special unique path 1860# the unique path, undef == no special unique path
1369sub uniq_path { 1861sub uniq_path {
1370 my ($self) = @_; 1862 my ($self) = @_;
1371 1863
1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1864 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373 "$UNIQUEDIR/$path" 1865 "$UNIQUEDIR/$path"
1374} 1866}
1375 1867
1376# and all this just because we cannot iterate over 1868# and all this just because we cannot iterate over
1377# all maps in C++... 1869# all maps in C++...
… …
1380 1872
1381 $_->change_map_light ($change) 1873 $_->change_map_light ($change)
1382 for grep $_->outdoor, values %cf::MAP; 1874 for grep $_->outdoor, values %cf::MAP;
1383} 1875}
1384 1876
1877sub decay_objects {
1878 my ($self) = @_;
1879
1880 return if $self->{deny_reset};
1881
1882 $self->do_decay_objects;
1883}
1884
1385sub unlink_save { 1885sub unlink_save {
1386 my ($self) = @_; 1886 my ($self) = @_;
1387 1887
1388 utf8::encode (my $save = $self->save_path); 1888 utf8::encode (my $save = $self->save_path);
1389 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1889 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1392 1892
1393sub load_header_from($) { 1893sub load_header_from($) {
1394 my ($self, $path) = @_; 1894 my ($self, $path) = @_;
1395 1895
1396 utf8::encode $path; 1896 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 1897 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 or return; 1898 or return;
1899
1900 $self->_load_header ($f)
1901 or return;
1902
1903 local $MAP_LOADING{$self->{path}} = $self;
1904 $f->resolve_delayed_derefs;
1402 1905
1403 $self->{load_path} = $path; 1906 $self->{load_path} = $path;
1404 1907
1405 1 1908 1
1406} 1909}
… …
1445 $self->load_header_orig 1948 $self->load_header_orig
1446 or return; 1949 or return;
1447 $self->prepare_orig; 1950 $self->prepare_orig;
1448 } 1951 }
1449 1952
1953 $self->{deny_reset} = 1
1954 if $self->no_reset;
1955
1450 $self->default_region (cf::region::find_by_path $self->{path}) 1956 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 1957 unless $self->default_region;
1452 1958
1453 1 1959 1
1454} 1960}
… …
1457sub find { 1963sub find {
1458 my ($path, $origin) = @_; 1964 my ($path, $origin) = @_;
1459 1965
1460 $path = normalise $path, $origin && $origin->path; 1966 $path = normalise $path, $origin && $origin->path;
1461 1967
1968 cf::lock_wait "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 1969 cf::lock_wait "map_find:$path";
1463 1970
1464 $cf::MAP{$path} || do { 1971 $cf::MAP{$path} || do {
1972 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465 my $guard = cf::lock_acquire "map_find:$path"; 1973 my $guard2 = cf::lock_acquire "map_find:$path";
1974
1466 my $map = new_from_path cf::map $path 1975 my $map = new_from_path cf::map $path
1467 or return; 1976 or return;
1468 1977
1469 $map->{last_save} = $cf::RUNTIME; 1978 $map->{last_save} = $cf::RUNTIME;
1470 1979
1471 $map->load_header 1980 $map->load_header
1472 or return; 1981 or return;
1473 1982
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1983 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 1984 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 1985 #$cf::WAIT_FOR_TICK->wait;
1986 undef $guard2;
1987 undef $guard1;
1477 $map->reset; 1988 $map->reset;
1478 undef $guard;
1479 return find $path; 1989 return find $path;
1480 } 1990 }
1481 1991
1482 $cf::MAP{$path} = $map 1992 $cf::MAP{$path} = $map
1483 } 1993 }
… …
1492 local $self->{deny_reset} = 1; # loading can take a long time 2002 local $self->{deny_reset} = 1; # loading can take a long time
1493 2003
1494 my $path = $self->{path}; 2004 my $path = $self->{path};
1495 2005
1496 { 2006 {
1497 my $guard = cf::lock_acquire "map_load:$path"; 2007 my $guard = cf::lock_acquire "map_data:$path";
1498 2008
2009 return unless $self->valid;
1499 return if $self->in_memory != cf::MAP_SWAPPED; 2010 return unless $self->in_memory == cf::MAP_SWAPPED;
1500 2011
1501 $self->in_memory (cf::MAP_LOADING); 2012 $self->in_memory (cf::MAP_LOADING);
1502 2013
1503 $self->alloc; 2014 $self->alloc;
1504 2015
1505 $self->pre_load; 2016 $self->pre_load;
1506 Coro::cede; 2017 cf::cede_to_tick;
1507 2018
2019 my $f = new_from_file cf::object::thawer $self->{load_path};
2020 $f->skip_block;
1508 $self->_load_objects ($self->{load_path}, 1) 2021 $self->_load_objects ($f)
1509 or return; 2022 or return;
1510 2023
1511 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2024 $self->post_load_original
1512 if delete $self->{load_original}; 2025 if delete $self->{load_original};
1513 2026
1514 if (my $uniq = $self->uniq_path) { 2027 if (my $uniq = $self->uniq_path) {
1515 utf8::encode $uniq; 2028 utf8::encode $uniq;
1516 if (aio_open $uniq, O_RDONLY, 0) { 2029 unless (aio_stat $uniq) {
2030 if (my $f = new_from_file cf::object::thawer $uniq) {
1517 $self->clear_unique_items; 2031 $self->clear_unique_items;
1518 $self->_load_objects ($uniq, 0); 2032 $self->_load_objects ($f);
2033 $f->resolve_delayed_derefs;
2034 }
1519 } 2035 }
1520 } 2036 }
1521 2037
1522 Coro::cede; 2038 $f->resolve_delayed_derefs;
2039
2040 cf::cede_to_tick;
1523 # now do the right thing for maps 2041 # now do the right thing for maps
1524 $self->link_multipart_objects; 2042 $self->link_multipart_objects;
1525 $self->difficulty ($self->estimate_difficulty) 2043 $self->difficulty ($self->estimate_difficulty)
1526 unless $self->difficulty; 2044 unless $self->difficulty;
1527 Coro::cede; 2045 cf::cede_to_tick;
1528 2046
1529 unless ($self->{deny_activate}) { 2047 unless ($self->{deny_activate}) {
1530 $self->decay_objects; 2048 $self->decay_objects;
1531 $self->fix_auto_apply; 2049 $self->fix_auto_apply;
1532 $self->update_buttons; 2050 $self->update_buttons;
1533 Coro::cede; 2051 cf::cede_to_tick;
1534 $self->set_darkness_map; 2052 $self->set_darkness_map;
1535 Coro::cede; 2053 cf::cede_to_tick;
1536 $self->activate; 2054 $self->activate;
1537 } 2055 }
1538 2056
2057 $self->{last_save} = $cf::RUNTIME;
2058 $self->last_access ($cf::RUNTIME);
2059
1539 $self->in_memory (cf::MAP_IN_MEMORY); 2060 $self->in_memory (cf::MAP_ACTIVE);
1540 } 2061 }
1541 2062
1542 $self->post_load; 2063 $self->post_load;
1543} 2064}
1544 2065
… …
1546 my ($self, $ob) = @_; 2067 my ($self, $ob) = @_;
1547 2068
1548 return find "~" . $ob->name . "/" . $self->{path} 2069 return find "~" . $ob->name . "/" . $self->{path}
1549 if $self->per_player; 2070 if $self->per_player;
1550 2071
2072# return find "?party/" . $ob->name . "/" . $self->{path}
2073# if $self->per_party;
2074
1551 $self 2075 $self
1552} 2076}
1553 2077
1554# find and load all maps in the 3x3 area around a map 2078# find and load all maps in the 3x3 area around a map
1555sub load_diag { 2079sub load_neighbours {
1556 my ($map) = @_; 2080 my ($map) = @_;
1557 2081
1558 my @diag; # diagonal neighbours 2082 my @neigh; # diagonal neighbours
1559 2083
1560 for (0 .. 3) { 2084 for (0 .. 3) {
1561 my $neigh = $map->tile_path ($_) 2085 my $neigh = $map->tile_path ($_)
1562 or next; 2086 or next;
1563 $neigh = find $neigh, $map 2087 $neigh = find $neigh, $map
1564 or next; 2088 or next;
1565 $neigh->load; 2089 $neigh->load;
1566 2090
2091 push @neigh,
1567 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2092 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1568 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2093 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1569 } 2094 }
1570 2095
1571 for (@diag) { 2096 for (grep defined $_->[0], @neigh) {
2097 my ($path, $origin) = @$_;
1572 my $neigh = find @$_ 2098 my $neigh = find $path, $origin
1573 or next; 2099 or next;
1574 $neigh->load; 2100 $neigh->load;
1575 } 2101 }
1576} 2102}
1577 2103
… …
1582} 2108}
1583 2109
1584sub do_load_sync { 2110sub do_load_sync {
1585 my ($map) = @_; 2111 my ($map) = @_;
1586 2112
2113 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2114 if $Coro::current == $Coro::main;
2115
1587 cf::sync_job { $map->load }; 2116 cf::sync_job { $map->load };
1588} 2117}
1589 2118
1590our %MAP_PREFETCH; 2119our %MAP_PREFETCH;
1591our $MAP_PREFETCHER = undef; 2120our $MAP_PREFETCHER = undef;
1592 2121
1593sub find_async { 2122sub find_async {
1594 my ($path, $origin) = @_; 2123 my ($path, $origin, $load) = @_;
1595 2124
1596 $path = normalise $path, $origin && $origin->{path}; 2125 $path = normalise $path, $origin && $origin->{path};
1597 2126
1598 if (my $map = $cf::MAP{$path}) { 2127 if (my $map = $cf::MAP{$path}) {
1599 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2128 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600 } 2129 }
1601 2130
1602 undef $MAP_PREFETCH{$path}; 2131 $MAP_PREFETCH{$path} |= $load;
2132
1603 $MAP_PREFETCHER ||= cf::async { 2133 $MAP_PREFETCHER ||= cf::async {
2134 $Coro::current->{desc} = "map prefetcher";
2135
1604 while (%MAP_PREFETCH) { 2136 while (%MAP_PREFETCH) {
1605 for my $path (keys %MAP_PREFETCH) { 2137 while (my ($k, $v) = each %MAP_PREFETCH) {
1606 my $map = find $path 2138 if (my $map = find $k) {
1607 or next;
1608 $map->load; 2139 $map->load if $v;
2140 }
1609 2141
1610 delete $MAP_PREFETCH{$path}; 2142 delete $MAP_PREFETCH{$k};
1611 } 2143 }
1612 } 2144 }
1613 undef $MAP_PREFETCHER; 2145 undef $MAP_PREFETCHER;
1614 }; 2146 };
1615 $MAP_PREFETCHER->prio (6); 2147 $MAP_PREFETCHER->prio (6);
… …
1618} 2150}
1619 2151
1620sub save { 2152sub save {
1621 my ($self) = @_; 2153 my ($self) = @_;
1622 2154
1623 my $lock = cf::lock_acquire "map_data:" . $self->path; 2155 my $lock = cf::lock_acquire "map_data:$self->{path}";
1624 2156
1625 $self->{last_save} = $cf::RUNTIME; 2157 $self->{last_save} = $cf::RUNTIME;
1626 2158
1627 return unless $self->dirty; 2159 return unless $self->dirty;
1628 2160
… …
1634 return if $self->{deny_save}; 2166 return if $self->{deny_save};
1635 2167
1636 local $self->{last_access} = $self->last_access;#d# 2168 local $self->{last_access} = $self->last_access;#d#
1637 2169
1638 cf::async { 2170 cf::async {
2171 $Coro::current->{desc} = "map player save";
1639 $_->contr->save for $self->players; 2172 $_->contr->save for $self->players;
1640 }; 2173 };
2174
2175 cf::get_slot 0.02;
1641 2176
1642 if ($uniq) { 2177 if ($uniq) {
1643 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2178 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2179 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1645 } else { 2180 } else {
… …
1651 my ($self) = @_; 2186 my ($self) = @_;
1652 2187
1653 # save first because save cedes 2188 # save first because save cedes
1654 $self->save; 2189 $self->save;
1655 2190
1656 my $lock = cf::lock_acquire "map_data:" . $self->path; 2191 my $lock = cf::lock_acquire "map_data:$self->{path}";
1657 2192
1658 return if $self->players; 2193 return if $self->players;
1659 return if $self->in_memory != cf::MAP_IN_MEMORY; 2194 return if $self->in_memory != cf::MAP_ACTIVE;
1660 return if $self->{deny_save}; 2195 return if $self->{deny_save};
1661 2196
2197 $self->in_memory (cf::MAP_SWAPPED);
2198
2199 $self->deactivate;
2200 $_->clear_links_to ($self) for values %cf::MAP;
1662 $self->clear; 2201 $self->clear;
1663 $self->in_memory (cf::MAP_SWAPPED);
1664} 2202}
1665 2203
1666sub reset_at { 2204sub reset_at {
1667 my ($self) = @_; 2205 my ($self) = @_;
1668 2206
1669 # TODO: safety, remove and allow resettable per-player maps 2207 # TODO: safety, remove and allow resettable per-player maps
1670 return 1e99 if $self->isa ("ext::map_per_player");#d#
1671 return 1e99 if $self->{deny_reset}; 2208 return 1e99 if $self->{deny_reset};
1672 2209
1673 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2210 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2211 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675 2212
… …
1686 my ($self) = @_; 2223 my ($self) = @_;
1687 2224
1688 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2225 my $lock = cf::lock_acquire "map_data:$self->{path}";
1689 2226
1690 return if $self->players; 2227 return if $self->players;
1691 return if $self->isa ("ext::map_per_player");#d#
1692 2228
1693 warn "resetting map ", $self->path;#d# 2229 warn "resetting map ", $self->path;
1694 2230
1695 $self->in_memory (cf::MAP_SWAPPED); 2231 $self->in_memory (cf::MAP_SWAPPED);
1696 2232
1697 # need to save uniques path 2233 # need to save uniques path
1698 unless ($self->{deny_save}) { 2234 unless ($self->{deny_save}) {
… …
1702 if $uniq; 2238 if $uniq;
1703 } 2239 }
1704 2240
1705 delete $cf::MAP{$self->path}; 2241 delete $cf::MAP{$self->path};
1706 2242
2243 $self->deactivate;
2244 $_->clear_links_to ($self) for values %cf::MAP;
1707 $self->clear; 2245 $self->clear;
1708
1709 $_->clear_links_to ($self) for values %cf::MAP;
1710 2246
1711 $self->unlink_save; 2247 $self->unlink_save;
1712 $self->destroy; 2248 $self->destroy;
1713} 2249}
1714 2250
1715my $nuke_counter = "aaaa"; 2251my $nuke_counter = "aaaa";
1716 2252
1717sub nuke { 2253sub nuke {
1718 my ($self) = @_; 2254 my ($self) = @_;
1719 2255
2256 {
2257 my $lock = cf::lock_acquire "map_data:$self->{path}";
2258
1720 delete $cf::MAP{$self->path}; 2259 delete $cf::MAP{$self->path};
1721 2260
1722 $self->unlink_save; 2261 $self->unlink_save;
1723 2262
1724 bless $self, "cf::map"; 2263 bless $self, "cf::map";
1725 delete $self->{deny_reset}; 2264 delete $self->{deny_reset};
1726 $self->{deny_save} = 1; 2265 $self->{deny_save} = 1;
1727 $self->reset_timeout (1); 2266 $self->reset_timeout (1);
1728 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2267 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729 2268
1730 $cf::MAP{$self->path} = $self; 2269 $cf::MAP{$self->path} = $self;
2270 }
1731 2271
1732 $self->reset; # polite request, might not happen 2272 $self->reset; # polite request, might not happen
2273}
2274
2275=item $maps = cf::map::tmp_maps
2276
2277Returns an arrayref with all map paths of currently instantiated and saved
2278maps. May block.
2279
2280=cut
2281
2282sub tmp_maps() {
2283 [
2284 map {
2285 utf8::decode $_;
2286 /\.map$/
2287 ? normalise $_
2288 : ()
2289 } @{ aio_readdir $TMPDIR or [] }
2290 ]
2291}
2292
2293=item $maps = cf::map::random_maps
2294
2295Returns an arrayref with all map paths of currently instantiated and saved
2296random maps. May block.
2297
2298=cut
2299
2300sub random_maps() {
2301 [
2302 map {
2303 utf8::decode $_;
2304 /\.map$/
2305 ? normalise "?random/$_"
2306 : ()
2307 } @{ aio_readdir $RANDOMDIR or [] }
2308 ]
1733} 2309}
1734 2310
1735=item cf::map::unique_maps 2311=item cf::map::unique_maps
1736 2312
1737Returns an arrayref of paths of all shared maps that have 2313Returns an arrayref of paths of all shared maps that have
1738instantiated unique items. May block. 2314instantiated unique items. May block.
1739 2315
1740=cut 2316=cut
1741 2317
1742sub unique_maps() { 2318sub unique_maps() {
1743 my $files = aio_readdir $UNIQUEDIR 2319 [
1744 or return; 2320 map {
1745
1746 my @paths;
1747
1748 for (@$files) {
1749 utf8::decode $_; 2321 utf8::decode $_;
1750 next if /\.pst$/; 2322 s/\.map$//; # TODO future compatibility hack
1751 next unless /^$PATH_SEP/o; 2323 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752 2324 ? ()
1753 push @paths, cf::map::normalise $_; 2325 : normalise $_
2326 } @{ aio_readdir $UNIQUEDIR or [] }
1754 } 2327 ]
1755
1756 \@paths
1757} 2328}
1758
1759package cf;
1760 2329
1761=back 2330=back
1762 2331
1763=head3 cf::object 2332=head3 cf::object
1764 2333
… …
1768 2337
1769=over 4 2338=over 4
1770 2339
1771=item $ob->inv_recursive 2340=item $ob->inv_recursive
1772 2341
1773Returns the inventory of the object _and_ their inventories, recursively. 2342Returns the inventory of the object I<and> their inventories, recursively,
2343but I<not> the object itself.
1774 2344
1775=cut 2345=cut
1776 2346
1777sub inv_recursive_; 2347sub inv_recursive_;
1778sub inv_recursive_ { 2348sub inv_recursive_ {
… …
1781 2351
1782sub inv_recursive { 2352sub inv_recursive {
1783 inv_recursive_ inv $_[0] 2353 inv_recursive_ inv $_[0]
1784} 2354}
1785 2355
2356=item $ref = $ob->ref
2357
2358Creates and returns a persistent reference to an object that can be stored as a string.
2359
2360=item $ob = cf::object::deref ($refstring)
2361
2362returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2363even if the object actually exists. May block.
2364
2365=cut
2366
2367sub deref {
2368 my ($ref) = @_;
2369
2370 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2371 my ($uuid, $name) = ($1, $2);
2372 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2373 or return;
2374 $pl->ob->uuid eq $uuid
2375 or return;
2376
2377 $pl->ob
2378 } else {
2379 warn "$ref: cannot resolve object reference\n";
2380 undef
2381 }
2382}
2383
1786package cf; 2384package cf;
1787 2385
1788=back 2386=back
1789 2387
1790=head3 cf::object::player 2388=head3 cf::object::player
… …
1796Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2394Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797can be C<undef>. Does the right thing when the player is currently in a 2395can be C<undef>. Does the right thing when the player is currently in a
1798dialogue with the given NPC character. 2396dialogue with the given NPC character.
1799 2397
1800=cut 2398=cut
2399
2400our $SAY_CHANNEL = {
2401 id => "say",
2402 title => "Map",
2403 reply => "say ",
2404 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2405};
2406
2407our $CHAT_CHANNEL = {
2408 id => "chat",
2409 title => "Chat",
2410 reply => "chat ",
2411 tooltip => "Player chat and shouts, global to the server.",
2412};
1801 2413
1802# rough implementation of a future "reply" method that works 2414# rough implementation of a future "reply" method that works
1803# with dialog boxes. 2415# with dialog boxes.
1804#TODO: the first argument must go, split into a $npc->reply_to ( method 2416#TODO: the first argument must go, split into a $npc->reply_to ( method
1805sub cf::object::player::reply($$$;$) { 2417sub cf::object::player::reply($$$;$) {
… …
1807 2419
1808 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2420 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809 2421
1810 if ($self->{record_replies}) { 2422 if ($self->{record_replies}) {
1811 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2423 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2424
1812 } else { 2425 } else {
2426 my $pl = $self->contr;
2427
2428 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2429 my $dialog = $pl->{npc_dialog};
2430 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2431
2432 } else {
1813 $msg = $npc->name . " says: $msg" if $npc; 2433 $msg = $npc->name . " says: $msg" if $npc;
1814 $self->message ($msg, $flags); 2434 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2435 }
1815 } 2436 }
2437}
2438
2439=item $object->send_msg ($channel, $msg, $color, [extra...])
2440
2441=cut
2442
2443sub cf::object::send_msg {
2444 my $pl = shift->contr
2445 or return;
2446 $pl->send_msg (@_);
1816} 2447}
1817 2448
1818=item $player_object->may ("access") 2449=item $player_object->may ("access")
1819 2450
1820Returns wether the given player is authorized to access resource "access" 2451Returns wether the given player is authorized to access resource "access"
… …
1833 2464
1834=item $player_object->enter_link 2465=item $player_object->enter_link
1835 2466
1836Freezes the player and moves him/her to a special map (C<{link}>). 2467Freezes the player and moves him/her to a special map (C<{link}>).
1837 2468
1838The player should be reasonably safe there for short amounts of time. You 2469The player should be reasonably safe there for short amounts of time (e.g.
1839I<MUST> call C<leave_link> as soon as possible, though. 2470for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2471though, as the palyer cannot control the character while it is on the link
2472map.
1840 2473
1841Will never block. 2474Will never block.
1842 2475
1843=item $player_object->leave_link ($map, $x, $y) 2476=item $player_object->leave_link ($map, $x, $y)
1844 2477
… …
1867 $self->deactivate_recursive; 2500 $self->deactivate_recursive;
1868 2501
1869 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2502 return if UNIVERSAL::isa $self->map, "ext::map_link";
1870 2503
1871 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2504 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872 if $self->map; 2505 if $self->map && $self->map->{path} ne "{link}";
1873 2506
1874 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2507 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1875} 2508}
1876 2509
1877sub cf::object::player::leave_link { 2510sub cf::object::player::leave_link {
1878 my ($self, $map, $x, $y) = @_; 2511 my ($self, $map, $x, $y) = @_;
2512
2513 return unless $self->contr->active;
1879 2514
1880 my $link_pos = delete $self->{_link_pos}; 2515 my $link_pos = delete $self->{_link_pos};
1881 2516
1882 unless ($map) { 2517 unless ($map) {
1883 # restore original map position 2518 # restore original map position
… …
1897 # use -1 or undef as default coordinates, not 0, 0 2532 # use -1 or undef as default coordinates, not 0, 0
1898 ($x, $y) = ($map->enter_x, $map->enter_y) 2533 ($x, $y) = ($map->enter_x, $map->enter_y)
1899 if $x <=0 && $y <= 0; 2534 if $x <=0 && $y <= 0;
1900 2535
1901 $map->load; 2536 $map->load;
1902 $map->load_diag; 2537 $map->load_neighbours;
1903 2538
1904 return unless $self->contr->active; 2539 return unless $self->contr->active;
2540 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
1905 $self->activate_recursive; 2541 $self->activate_recursive;
1906 2542
1907 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2543 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908 $self->enter_map ($map, $x, $y); 2544 $self->enter_map ($map, $x, $y);
1909} 2545}
1910 2546
1911cf::player->attach ( 2547=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1912 on_logout => sub {
1913 my ($pl) = @_;
1914 2548
1915 # abort map switching before logout 2549Moves the player to the given map-path and coordinates by first freezing
1916 if ($pl->ob->{_link_pos}) { 2550her, loading and preparing them map, calling the provided $check callback
1917 cf::sync_job { 2551that has to return the map if sucecssful, and then unfreezes the player on
1918 $pl->ob->leave_link 2552the new (success) or old (failed) map position. In either case, $done will
1919 }; 2553be called at the end of this process.
1920 }
1921 },
1922 on_login => sub {
1923 my ($pl) = @_;
1924 2554
1925 # try to abort aborted map switching on player login :) 2555Note that $check will be called with a potentially non-loaded map, so if
1926 # should happen only on crashes 2556it needs a loaded map it has to call C<< ->load >>.
1927 if ($pl->ob->{_link_pos}) {
1928 $pl->ob->enter_link;
1929 (async {
1930 $pl->ob->reply (undef,
1931 "There was an internal problem at your last logout, "
1932 . "the server will try to bring you to your intended destination in a second.",
1933 cf::NDI_RED);
1934 # we need this sleep as the login has a concurrent enter_exit running
1935 # and this sleep increases chances of the player not ending up in scorn
1936 Coro::Timer::sleep 1;
1937 $pl->ob->leave_link;
1938 })->prio (2);
1939 }
1940 },
1941);
1942 2557
1943=item $player_object->goto ($path, $x, $y)
1944
1945=cut 2558=cut
2559
2560our $GOTOGEN;
1946 2561
1947sub cf::object::player::goto { 2562sub cf::object::player::goto {
1948 my ($self, $path, $x, $y) = @_; 2563 my ($self, $path, $x, $y, $check, $done) = @_;
2564
2565 # do generation counting so two concurrent goto's will be executed in-order
2566 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949 2567
1950 $self->enter_link; 2568 $self->enter_link;
1951 2569
1952 (async { 2570 (async {
2571 $Coro::current->{desc} = "player::goto $path $x $y";
2572
2573 # *tag paths override both path and x|y
2574 if ($path =~ /^\*(.*)$/) {
2575 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2576 my $ob = $obs[rand @obs];
2577
2578 # see if we actually can go there
2579 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2580 $ob = $obs[rand @obs];
2581 } else {
2582 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2583 }
2584 # else put us there anyways for now #d#
2585
2586 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2587 } else {
2588 ($path, $x, $y) = (undef, undef, undef);
2589 }
2590 }
2591
1953 my $map = eval { 2592 my $map = eval {
1954 my $map = cf::map::find $path; 2593 my $map = defined $path ? cf::map::find $path : undef;
2594
2595 if ($map) {
1955 $map = $map->customise_for ($self) if $map; 2596 $map = $map->customise_for ($self);
2597 $map = $check->($map) if $check && $map;
2598 } else {
2599 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2600 }
2601
1956 $map 2602 $map
2603 };
2604
2605 if ($@) {
2606 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2607 LOG llevError | logBacktrace, Carp::longmess $@;
1957 } or 2608 }
1958 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959 2609
2610 if ($gen == $self->{_goto_generation}) {
2611 delete $self->{_goto_generation};
1960 $self->leave_link ($map, $x, $y); 2612 $self->leave_link ($map, $x, $y);
2613 }
2614
2615 $done->() if $done;
1961 })->prio (1); 2616 })->prio (1);
1962} 2617}
1963 2618
1964=item $player_object->enter_exit ($exit_object) 2619=item $player_object->enter_exit ($exit_object)
1965 2620
… …
1985} 2640}
1986 2641
1987sub prepare_random_map { 2642sub prepare_random_map {
1988 my ($exit) = @_; 2643 my ($exit) = @_;
1989 2644
1990 my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992 # all this does is basically replace the /! path by 2645 # all this does is basically replace the /! path by
1993 # a new random map path (?random/...) with a seed 2646 # a new random map path (?random/...) with a seed
1994 # that depends on the exit object 2647 # that depends on the exit object
1995 2648
1996 my $rmp = parse_random_map_params $exit->msg; 2649 my $rmp = parse_random_map_params $exit->msg;
… …
1998 if ($exit->map) { 2651 if ($exit->map) {
1999 $rmp->{region} = $exit->region->name; 2652 $rmp->{region} = $exit->region->name;
2000 $rmp->{origin_map} = $exit->map->path; 2653 $rmp->{origin_map} = $exit->map->path;
2001 $rmp->{origin_x} = $exit->x; 2654 $rmp->{origin_x} = $exit->x;
2002 $rmp->{origin_y} = $exit->y; 2655 $rmp->{origin_y} = $exit->y;
2656
2657 $exit->map->touch;
2003 } 2658 }
2004 2659
2005 $rmp->{random_seed} ||= $exit->random_seed; 2660 $rmp->{random_seed} ||= $exit->random_seed;
2006 2661
2007 my $data = cf::to_json $rmp; 2662 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008 my $md5 = Digest::MD5::md5_hex $data; 2663 my $md5 = Digest::MD5::md5_hex $data;
2009 my $meta = "$RANDOMDIR/$md5.meta"; 2664 my $meta = "$RANDOMDIR/$md5.meta";
2010 2665
2011 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2666 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012 aio_write $fh, 0, (length $data), $data, 0; 2667 aio_write $fh, 0, (length $data), $data, 0;
2013 undef $fh; 2668 undef $fh;
2014 aio_rename "$meta~", $meta; 2669 aio_rename "$meta~", $meta;
2015 2670
2671 my $slaying = "?random/$md5";
2672
2673 if ($exit->valid) {
2016 $exit->slaying ("?random/$md5"); 2674 $exit->slaying ("?random/$md5");
2017 $exit->msg (undef); 2675 $exit->msg (undef);
2676 }
2018 } 2677 }
2019} 2678}
2020 2679
2021sub cf::object::player::enter_exit { 2680sub cf::object::player::enter_exit {
2022 my ($self, $exit) = @_; 2681 my ($self, $exit) = @_;
2023 2682
2024 return unless $self->type == cf::PLAYER; 2683 return unless $self->type == cf::PLAYER;
2025 2684
2026 if ($exit->slaying eq "/!") {
2027 #TODO: this should de-fi-ni-te-ly not be a sync-job
2028 # the problem is that $exit might not survive long enough
2029 # so it needs to be done right now, right here
2030 cf::sync_job { prepare_random_map $exit };
2031 }
2032
2033 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034 my $hp = $exit->stats->hp;
2035 my $sp = $exit->stats->sp;
2036
2037 $self->enter_link; 2685 $self->enter_link;
2038 2686
2039 (async { 2687 (async {
2040 $self->deactivate_recursive; # just to be sure 2688 $Coro::current->{desc} = "enter_exit";
2689
2041 unless (eval { 2690 unless (eval {
2691 $self->deactivate_recursive; # just to be sure
2692
2693 # random map handling
2694 {
2695 my $guard = cf::lock_acquire "exit_prepare:$exit";
2696
2697 prepare_random_map $exit
2698 if $exit->slaying eq "/!";
2699 }
2700
2701 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2702 my $x = $exit->stats->hp;
2703 my $y = $exit->stats->sp;
2704
2042 $self->goto ($slaying, $hp, $sp); 2705 $self->goto ($map, $x, $y);
2043 2706
2707 # if exit is damned, update players death & WoR home-position
2708 $self->contr->savebed ($map, $x, $y)
2709 if $exit->flag (cf::FLAG_DAMNED);
2710
2044 1; 2711 1
2045 }) { 2712 }) {
2046 $self->message ("Something went wrong deep within the crossfire server. " 2713 $self->message ("Something went wrong deep within the deliantra server. "
2047 . "I'll try to bring you back to the map you were before. " 2714 . "I'll try to bring you back to the map you were before. "
2048 . "Please report this to the dungeon master!", 2715 . "Please report this to the dungeon master!",
2049 cf::NDI_UNIQUE | cf::NDI_RED); 2716 cf::NDI_UNIQUE | cf::NDI_RED);
2050 2717
2051 warn "ERROR in enter_exit: $@"; 2718 warn "ERROR in enter_exit: $@";
… …
2070 2737
2071 utf8::encode $text; 2738 utf8::encode $text;
2072 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2739 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073} 2740}
2074 2741
2742=item $client->send_msg ($channel, $msg, $color, [extra...])
2743
2744Send a drawinfo or msg packet to the client, formatting the msg for the
2745client if neccessary. C<$type> should be a string identifying the type of
2746the message, with C<log> being the default. If C<$color> is negative, suppress
2747the message unless the client supports the msg packet.
2748
2749=cut
2750
2751# non-persistent channels (usually the info channel)
2752our %CHANNEL = (
2753 "c/identify" => {
2754 id => "infobox",
2755 title => "Identify",
2756 reply => undef,
2757 tooltip => "Items recently identified",
2758 },
2759 "c/examine" => {
2760 id => "infobox",
2761 title => "Examine",
2762 reply => undef,
2763 tooltip => "Signs and other items you examined",
2764 },
2765 "c/book" => {
2766 id => "infobox",
2767 title => "Book",
2768 reply => undef,
2769 tooltip => "The contents of a note or book",
2770 },
2771 "c/lookat" => {
2772 id => "infobox",
2773 title => "Look",
2774 reply => undef,
2775 tooltip => "What you saw there",
2776 },
2777 "c/who" => {
2778 id => "infobox",
2779 title => "Players",
2780 reply => undef,
2781 tooltip => "Shows players who are currently online",
2782 },
2783 "c/body" => {
2784 id => "infobox",
2785 title => "Body Parts",
2786 reply => undef,
2787 tooltip => "Shows which body parts you posess and are available",
2788 },
2789 "c/uptime" => {
2790 id => "infobox",
2791 title => "Uptime",
2792 reply => undef,
2793 tooltip => "How long the server has been running since last restart",
2794 },
2795 "c/mapinfo" => {
2796 id => "infobox",
2797 title => "Map Info",
2798 reply => undef,
2799 tooltip => "Information related to the maps",
2800 },
2801 "c/party" => {
2802 id => "party",
2803 title => "Party",
2804 reply => "gsay ",
2805 tooltip => "Messages and chat related to your party",
2806 },
2807);
2808
2809sub cf::client::send_msg {
2810 my ($self, $channel, $msg, $color, @extra) = @_;
2811
2812 $msg = $self->pl->expand_cfpod ($msg)
2813 unless $color & cf::NDI_VERBATIM;
2814
2815 $color &= cf::NDI_CLIENT_MASK; # just in case...
2816
2817 # check predefined channels, for the benefit of C
2818 if ($CHANNEL{$channel}) {
2819 $channel = $CHANNEL{$channel};
2820
2821 $self->ext_msg (channel_info => $channel)
2822 if $self->can_msg;
2823
2824 $channel = $channel->{id};
2825
2826 } elsif (ref $channel) {
2827 # send meta info to client, if not yet sent
2828 unless (exists $self->{channel}{$channel->{id}}) {
2829 $self->{channel}{$channel->{id}} = $channel;
2830 $self->ext_msg (channel_info => $channel)
2831 if $self->can_msg;
2832 }
2833
2834 $channel = $channel->{id};
2835 }
2836
2837 return unless @extra || length $msg;
2838
2839 if ($self->can_msg) {
2840 # default colour, mask it out
2841 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2842 if $color & cf::NDI_DEF;
2843
2844 my $pkt = "msg "
2845 . $self->{json_coder}->encode (
2846 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2847 );
2848
2849 # try lzf for large packets
2850 $pkt = "lzf " . Compress::LZF::compress $pkt
2851 if 1024 <= length $pkt and $self->{can_lzf};
2852
2853 # split very large packets
2854 if (8192 < length $pkt and $self->{can_lzf}) {
2855 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2856 $pkt = "frag";
2857 }
2858
2859 $self->send_packet ($pkt);
2860 } else {
2861 if ($color >= 0) {
2862 # replace some tags by gcfclient-compatible ones
2863 for ($msg) {
2864 1 while
2865 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2866 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2867 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2868 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2869 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2870 }
2871
2872 $color &= cf::NDI_COLOR_MASK;
2873
2874 utf8::encode $msg;
2875
2876 if (0 && $msg =~ /\[/) {
2877 # COMMAND/INFO
2878 $self->send_packet ("drawextinfo $color 10 8 $msg")
2879 } else {
2880 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2881 $self->send_packet ("drawinfo $color $msg")
2882 }
2883 }
2884 }
2885}
2886
2075=item $client->ext_event ($type, %msg) 2887=item $client->ext_msg ($type, @msg)
2076 2888
2077Sends an exti event to the client. 2889Sends an ext event to the client.
2078 2890
2079=cut 2891=cut
2080 2892
2081sub cf::client::ext_event($$%) { 2893sub cf::client::ext_msg($$@) {
2082 my ($self, $type, %msg) = @_; 2894 my ($self, $type, @msg) = @_;
2083 2895
2896 if ($self->extcmd == 2) {
2897 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2898 } elsif ($self->extcmd == 1) { # TODO: remove
2084 $msg{msgtype} = "event_$type"; 2899 push @msg, msgtype => "event_$type";
2085 $self->send_packet ("ext " . cf::to_json \%msg); 2900 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2901 }
2902}
2903
2904=item $client->ext_reply ($msgid, @msg)
2905
2906Sends an ext reply to the client.
2907
2908=cut
2909
2910sub cf::client::ext_reply($$@) {
2911 my ($self, $id, @msg) = @_;
2912
2913 if ($self->extcmd == 2) {
2914 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2915 } elsif ($self->extcmd == 1) {
2916 #TODO: version 1, remove
2917 unshift @msg, msgtype => "reply", msgid => $id;
2918 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2919 }
2086} 2920}
2087 2921
2088=item $success = $client->query ($flags, "text", \&cb) 2922=item $success = $client->query ($flags, "text", \&cb)
2089 2923
2090Queues a query to the client, calling the given callback with 2924Queues a query to the client, calling the given callback with
2091the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2925the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2926C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093 2927
2094Queries can fail, so check the return code. Or don't, as queries will become 2928Queries can fail, so check the return code. Or don't, as queries will
2095reliable at some point in the future. 2929become reliable at some point in the future.
2096 2930
2097=cut 2931=cut
2098 2932
2099sub cf::client::query { 2933sub cf::client::query {
2100 my ($self, $flags, $text, $cb) = @_; 2934 my ($self, $flags, $text, $cb) = @_;
… …
2108 utf8::encode $text; 2942 utf8::encode $text;
2109 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2943 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110 2944
2111 $self->send_packet ($self->{query_queue}[0][0]) 2945 $self->send_packet ($self->{query_queue}[0][0])
2112 if @{ $self->{query_queue} } == 1; 2946 if @{ $self->{query_queue} } == 1;
2947
2948 1
2113} 2949}
2114 2950
2115cf::client->attach ( 2951cf::client->attach (
2952 on_connect => sub {
2953 my ($ns) = @_;
2954
2955 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2956 },
2116 on_reply => sub { 2957 on_reply => sub {
2117 my ($ns, $msg) = @_; 2958 my ($ns, $msg) = @_;
2118 2959
2119 # this weird shuffling is so that direct followup queries 2960 # this weird shuffling is so that direct followup queries
2120 # get handled first 2961 # get handled first
… …
2132 } else { 2973 } else {
2133 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2974 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134 } 2975 }
2135 } 2976 }
2136 }, 2977 },
2978 on_exticmd => sub {
2979 my ($ns, $buf) = @_;
2980
2981 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2982
2983 if (ref $msg) {
2984 my ($type, $reply, @payload) =
2985 "ARRAY" eq ref $msg
2986 ? @$msg
2987 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2988
2989 my @reply;
2990
2991 if (my $cb = $EXTICMD{$type}) {
2992 @reply = $cb->($ns, @payload);
2993 }
2994
2995 $ns->ext_reply ($reply, @reply)
2996 if $reply;
2997
2998 } else {
2999 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3000 }
3001
3002 cf::override;
3003 },
2137); 3004);
2138 3005
2139=item $client->async (\&cb) 3006=item $client->async (\&cb)
2140 3007
2141Create a new coroutine, running the specified callback. The coroutine will 3008Create a new coroutine, running the specified callback. The coroutine will
… …
2182our $safe = new Safe "safe"; 3049our $safe = new Safe "safe";
2183our $safe_hole = new Safe::Hole; 3050our $safe_hole = new Safe::Hole;
2184 3051
2185$SIG{FPE} = 'IGNORE'; 3052$SIG{FPE} = 'IGNORE';
2186 3053
2187$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3054$safe->permit_only (Opcode::opset qw(
3055 :base_core :base_mem :base_orig :base_math
3056 grepstart grepwhile mapstart mapwhile
3057 sort time
3058));
2188 3059
2189# here we export the classes and methods available to script code 3060# here we export the classes and methods available to script code
2190 3061
2191=pod 3062=pod
2192 3063
2193The following functions and methods are available within a safe environment: 3064The following functions and methods are available within a safe environment:
2194 3065
2195 cf::object contr pay_amount pay_player map 3066 cf::object
3067 contr pay_amount pay_player map x y force_find force_add destroy
3068 insert remove name archname title slaying race decrease split
3069
2196 cf::object::player player 3070 cf::object::player
2197 cf::player peaceful 3071 player
2198 cf::map trigger 3072
3073 cf::player
3074 peaceful
3075
3076 cf::map
3077 trigger
2199 3078
2200=cut 3079=cut
2201 3080
2202for ( 3081for (
2203 ["cf::object" => qw(contr pay_amount pay_player map)], 3082 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3083 insert remove inv nrof name archname title slaying race
3084 decrease split destroy change_exp)],
2204 ["cf::object::player" => qw(player)], 3085 ["cf::object::player" => qw(player)],
2205 ["cf::player" => qw(peaceful)], 3086 ["cf::player" => qw(peaceful)],
2206 ["cf::map" => qw(trigger)], 3087 ["cf::map" => qw(trigger)],
2207) { 3088) {
2208 no strict 'refs'; 3089 no strict 'refs';
… …
2279=back 3160=back
2280 3161
2281=cut 3162=cut
2282 3163
2283############################################################################# 3164#############################################################################
2284
2285=head2 EXTENSION DATABASE SUPPORT
2286
2287Crossfire maintains a very simple database for extension use. It can
2288currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289convert to/from binary).
2290
2291The parameter C<$family> should best start with the name of the extension
2292using it, it should be unique.
2293
2294=over 4
2295
2296=item $value = cf::db_get $family => $key
2297
2298Returns a single value from the database.
2299
2300=item cf::db_put $family => $key => $value
2301
2302Stores the given C<$value> in the family.
2303
2304=cut
2305
2306our $DB;
2307
2308sub db_init {
2309 unless ($DB) {
2310 $DB = BDB::db_create $DB_ENV;
2311
2312 cf::sync_job {
2313 eval {
2314 $DB->set_flags (BDB::CHKSUM);
2315
2316 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318 cf::cleanup "db_open(db): $!" if $!;
2319 };
2320 cf::cleanup "db_open(db): $@" if $@;
2321 };
2322 }
2323}
2324
2325sub db_get($$) {
2326 my $key = "$_[0]/$_[1]";
2327
2328 cf::sync_job {
2329 BDB::db_get $DB, undef, $key, my $data;
2330
2331 $! ? ()
2332 : $data
2333 }
2334}
2335
2336sub db_put($$$) {
2337 BDB::dbreq_pri 4;
2338 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339}
2340
2341=item cf::cache $id => [$paths...], $processversion => $process
2342
2343Generic caching function that returns the value of the resource $id,
2344caching and regenerating as required.
2345
2346This function can block.
2347
2348=cut
2349
2350sub cache {
2351 my ($id, $src, $processversion, $process) = @_;
2352
2353 my $meta =
2354 join "\x00",
2355 $processversion,
2356 map {
2357 aio_stat $_
2358 and Carp::croak "$_: $!";
2359
2360 ($_, (stat _)[7,9])
2361 } @$src;
2362
2363 my $dbmeta = db_get cache => "$id/meta";
2364 if ($dbmeta ne $meta) {
2365 # changed, we may need to process
2366
2367 my @data;
2368 my $md5;
2369
2370 for (0 .. $#$src) {
2371 0 <= aio_load $src->[$_], $data[$_]
2372 or Carp::croak "$src->[$_]: $!";
2373 }
2374
2375 # if processing is expensive, check
2376 # checksum first
2377 if (1) {
2378 $md5 =
2379 join "\x00",
2380 $processversion,
2381 map {
2382 Coro::cede;
2383 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2384 } 0.. $#$src;
2385
2386
2387 my $dbmd5 = db_get cache => "$id/md5";
2388 if ($dbmd5 eq $md5) {
2389 db_put cache => "$id/meta", $meta;
2390
2391 return db_get cache => "$id/data";
2392 }
2393 }
2394
2395 my $t1 = Time::HiRes::time;
2396 my $data = $process->(\@data);
2397 my $t2 = Time::HiRes::time;
2398
2399 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401 db_put cache => "$id/data", $data;
2402 db_put cache => "$id/md5" , $md5;
2403 db_put cache => "$id/meta", $meta;
2404
2405 return $data;
2406 }
2407
2408 db_get cache => "$id/data"
2409}
2410
2411=item fork_call { }, $args
2412
2413Executes the given code block with the given arguments in a seperate
2414process, returning the results. Everything must be serialisable with
2415Coro::Storable. May, of course, block. Note that the executed sub may
2416never block itself or use any form of Event handling.
2417
2418=cut
2419
2420sub fork_call(&@) {
2421 my ($cb, @args) = @_;
2422
2423# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424# or die "socketpair: $!";
2425 pipe my $fh1, my $fh2
2426 or die "pipe: $!";
2427
2428 if (my $pid = fork) {
2429 close $fh2;
2430
2431 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432 $res = Coro::Storable::thaw $res;
2433
2434 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436 die $$res unless "ARRAY" eq ref $res;
2437
2438 return wantarray ? @$res : $res->[-1];
2439 } else {
2440 local $SIG{__WARN__};
2441 eval {
2442 local $SIG{__DIE__};
2443 close $fh1;
2444
2445 my @res = eval { $cb->(@args) };
2446 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447 };
2448
2449 warn $@ if $@;
2450 _exit 0;
2451 }
2452}
2453
2454
2455
2456#############################################################################
2457# the server's init and main functions 3165# the server's init and main functions
2458 3166
2459sub load_facedata($) { 3167sub load_facedata($) {
2460 my ($path) = @_; 3168 my ($path) = @_;
3169
3170 # HACK to clear player env face cache, we need some signal framework
3171 # for this (global event?)
3172 %ext::player_env::MUSIC_FACE_CACHE = ();
3173
3174 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2461 3175
2462 warn "loading facedata from $path\n"; 3176 warn "loading facedata from $path\n";
2463 3177
2464 my $facedata; 3178 my $facedata;
2465 0 < aio_load $path, $facedata 3179 0 < aio_load $path, $facedata
… …
2468 $facedata = Coro::Storable::thaw $facedata; 3182 $facedata = Coro::Storable::thaw $facedata;
2469 3183
2470 $facedata->{version} == 2 3184 $facedata->{version} == 2
2471 or cf::cleanup "$path: version mismatch, cannot proceed."; 3185 or cf::cleanup "$path: version mismatch, cannot proceed.";
2472 3186
3187 # patch in the exptable
3188 $facedata->{resource}{"res/exp_table"} = {
3189 type => FT_RSRC,
3190 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3191 };
3192 cf::cede_to_tick;
3193
2473 { 3194 {
2474 my $faces = $facedata->{faceinfo}; 3195 my $faces = $facedata->{faceinfo};
2475 3196
2476 while (my ($face, $info) = each %$faces) { 3197 while (my ($face, $info) = each %$faces) {
2477 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3198 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3199
2478 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3200 cf::face::set_visibility $idx, $info->{visibility};
3201 cf::face::set_magicmap $idx, $info->{magicmap};
2479 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3202 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2480 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3203 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2481 Coro::cede; 3204
3205 cf::cede_to_tick;
2482 } 3206 }
2483 3207
2484 while (my ($face, $info) = each %$faces) { 3208 while (my ($face, $info) = each %$faces) {
2485 next unless $info->{smooth}; 3209 next unless $info->{smooth};
3210
2486 my $idx = cf::face::find $face 3211 my $idx = cf::face::find $face
2487 or next; 3212 or next;
3213
2488 if (my $smooth = cf::face::find $info->{smooth}) { 3214 if (my $smooth = cf::face::find $info->{smooth}) {
3215 cf::face::set_smooth $idx, $smooth;
2489 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3216 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490 } else { 3217 } else {
2491 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3218 warn "smooth face '$info->{smooth}' not found for face '$face'";
2492 } 3219 }
2493 Coro::cede; 3220
3221 cf::cede_to_tick;
2494 } 3222 }
2495 } 3223 }
2496 3224
2497 { 3225 {
2498 my $anims = $facedata->{animinfo}; 3226 my $anims = $facedata->{animinfo};
2499 3227
2500 while (my ($anim, $info) = each %$anims) { 3228 while (my ($anim, $info) = each %$anims) {
2501 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3229 cf::anim::set $anim, $info->{frames}, $info->{facings};
2502 Coro::cede; 3230 cf::cede_to_tick;
2503 } 3231 }
2504 3232
2505 cf::anim::invalidate_all; # d'oh 3233 cf::anim::invalidate_all; # d'oh
2506 } 3234 }
2507 3235
3236 {
3237 # TODO: for gcfclient pleasure, we should give resources
3238 # that gcfclient doesn't grok a >10000 face index.
3239 my $res = $facedata->{resource};
3240
3241 while (my ($name, $info) = each %$res) {
3242 if (defined $info->{type}) {
3243 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3244 my $data;
3245
3246 if ($info->{type} & 1) {
3247 # prepend meta info
3248
3249 my $meta = $enc->encode ({
3250 name => $name,
3251 %{ $info->{meta} || {} },
3252 });
3253
3254 $data = pack "(w/a*)*", $meta, $info->{data};
3255 } else {
3256 $data = $info->{data};
3257 }
3258
3259 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3260 cf::face::set_type $idx, $info->{type};
3261 } else {
3262 $RESOURCE{$name} = $info;
3263 }
3264
3265 cf::cede_to_tick;
3266 }
3267 }
3268
3269 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3270
2508 1 3271 1
2509} 3272}
2510 3273
3274cf::global->attach (on_resource_update => sub {
3275 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3276 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3277
3278 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3279 my $sound = $soundconf->{compat}[$_]
3280 or next;
3281
3282 my $face = cf::face::find "sound/$sound->[1]";
3283 cf::sound::set $sound->[0] => $face;
3284 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3285 }
3286
3287 while (my ($k, $v) = each %{$soundconf->{event}}) {
3288 my $face = cf::face::find "sound/$v";
3289 cf::sound::set $k => $face;
3290 }
3291 }
3292});
3293
3294register_exticmd fx_want => sub {
3295 my ($ns, $want) = @_;
3296
3297 while (my ($k, $v) = each %$want) {
3298 $ns->fx_want ($k, $v);
3299 }
3300};
3301
3302sub load_resource_file($) {
3303 my $guard = lock_acquire "load_resource_file";
3304
3305 my $status = load_resource_file_ $_[0];
3306 get_slot 0.1, 100;
3307 cf::arch::commit_load;
3308
3309 $status
3310}
3311
2511sub reload_regions { 3312sub reload_regions {
3313 # HACK to clear player env face cache, we need some signal framework
3314 # for this (global event?)
3315 %ext::player_env::MUSIC_FACE_CACHE = ();
3316
2512 load_resource_file "$MAPDIR/regions" 3317 load_resource_file "$MAPDIR/regions"
2513 or die "unable to load regions file\n"; 3318 or die "unable to load regions file\n";
3319
3320 for (cf::region::list) {
3321 $_->{match} = qr/$_->{match}/
3322 if exists $_->{match};
3323 }
2514} 3324}
2515 3325
2516sub reload_facedata { 3326sub reload_facedata {
2517 load_facedata "$DATADIR/facedata" 3327 load_facedata "$DATADIR/facedata"
2518 or die "unable to load facedata\n"; 3328 or die "unable to load facedata\n";
… …
2529} 3339}
2530 3340
2531sub reload_resources { 3341sub reload_resources {
2532 warn "reloading resource files...\n"; 3342 warn "reloading resource files...\n";
2533 3343
2534 reload_regions;
2535 reload_facedata; 3344 reload_facedata;
2536 reload_archetypes; 3345 reload_archetypes;
3346 reload_regions;
2537 reload_treasures; 3347 reload_treasures;
2538 3348
2539 warn "finished reloading resource files\n"; 3349 warn "finished reloading resource files\n";
2540} 3350}
2541 3351
2542sub init { 3352sub init {
3353 my $guard = freeze_mainloop;
3354
3355 evthread_start IO::AIO::poll_fileno;
3356
2543 reload_resources; 3357 reload_resources;
2544} 3358}
2545 3359
2546sub cfg_load { 3360sub reload_config {
2547 open my $fh, "<:utf8", "$CONFDIR/config" 3361 open my $fh, "<:utf8", "$CONFDIR/config"
2548 or return; 3362 or return;
2549 3363
2550 local $/; 3364 local $/;
2551 *CFG = YAML::Syck::Load <$fh>; 3365 *CFG = YAML::Load <$fh>;
2552 3366
2553 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3367 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2554 3368
2555 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3369 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2556 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3370 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2562 }; 3376 };
2563 warn $@ if $@; 3377 warn $@ if $@;
2564 } 3378 }
2565} 3379}
2566 3380
3381sub pidfile() {
3382 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3383 or die "$PIDFILE: $!";
3384 flock $fh, &Fcntl::LOCK_EX
3385 or die "$PIDFILE: flock: $!";
3386 $fh
3387}
3388
3389# make sure only one server instance is running at any one time
3390sub atomic {
3391 my $fh = pidfile;
3392
3393 my $pid = <$fh>;
3394 kill 9, $pid if $pid > 0;
3395
3396 seek $fh, 0, 0;
3397 print $fh $$;
3398}
3399
2567sub main { 3400sub main {
3401 atomic;
3402
2568 # we must not ever block the main coroutine 3403 # we must not ever block the main coroutine
2569 local $Coro::idle = sub { 3404 local $Coro::idle = sub {
2570 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3405 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571 (async { 3406 (async {
2572 Event::one_event; 3407 $Coro::current->{desc} = "IDLE BUG HANDLER";
3408 EV::loop EV::LOOP_ONESHOT;
2573 })->prio (Coro::PRIO_MAX); 3409 })->prio (Coro::PRIO_MAX);
2574 }; 3410 };
2575 3411
2576 cfg_load; 3412 {
3413 my $guard = freeze_mainloop;
3414 reload_config;
2577 db_init; 3415 db_init;
2578 load_extensions; 3416 load_extensions;
2579 3417
2580 $TICK_WATCHER->start; 3418 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3419 }
3420
3421 utime time, time, $RUNTIMEFILE;
3422
3423 # no (long-running) fork's whatsoever before this point(!)
3424 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3425
2581 Event::loop; 3426 EV::loop;
2582} 3427}
2583 3428
2584############################################################################# 3429#############################################################################
2585# initialisation and cleanup 3430# initialisation and cleanup
2586 3431
2587# install some emergency cleanup handlers 3432# install some emergency cleanup handlers
2588BEGIN { 3433BEGIN {
3434 our %SIGWATCHER = ();
2589 for my $signal (qw(INT HUP TERM)) { 3435 for my $signal (qw(INT HUP TERM)) {
2590 Event->signal ( 3436 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2591 reentrant => 0,
2592 data => WF_AUTOCANCEL,
2593 signal => $signal,
2594 prio => 0,
2595 cb => sub {
2596 cf::cleanup "SIG$signal"; 3437 cf::cleanup "SIG$signal";
2597 },
2598 ); 3438 };
3439 }
3440}
3441
3442sub write_runtime_sync {
3443 # first touch the runtime file to show we are still running:
3444 # the fsync below can take a very very long time.
3445
3446 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3447
3448 my $guard = cf::lock_acquire "write_runtime";
3449
3450 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3451 or return;
3452
3453 my $value = $cf::RUNTIME + 90 + 10;
3454 # 10 is the runtime save interval, for a monotonic clock
3455 # 60 allows for the watchdog to kill the server.
3456
3457 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3458 and return;
3459
3460 # always fsync - this file is important
3461 aio_fsync $fh
3462 and return;
3463
3464 # touch it again to show we are up-to-date
3465 aio_utime $fh, undef, undef;
3466
3467 close $fh
3468 or return;
3469
3470 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3471 and return;
3472
3473 warn "runtime file written.\n";
3474
2599 } 3475 1
3476}
3477
3478our $uuid_lock;
3479our $uuid_skip;
3480
3481sub write_uuid_sync($) {
3482 $uuid_skip ||= $_[0];
3483
3484 return if $uuid_lock;
3485 local $uuid_lock = 1;
3486
3487 my $uuid = "$LOCALDIR/uuid";
3488
3489 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3490 or return;
3491
3492 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3493 $uuid_skip = 0;
3494
3495 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3496 and return;
3497
3498 # always fsync - this file is important
3499 aio_fsync $fh
3500 and return;
3501
3502 close $fh
3503 or return;
3504
3505 aio_rename "$uuid~", $uuid
3506 and return;
3507
3508 warn "uuid file written ($value).\n";
3509
3510 1
3511
3512}
3513
3514sub write_uuid($$) {
3515 my ($skip, $sync) = @_;
3516
3517 $sync ? write_uuid_sync $skip
3518 : async { write_uuid_sync $skip };
2600} 3519}
2601 3520
2602sub emergency_save() { 3521sub emergency_save() {
2603 my $freeze_guard = cf::freeze_mainloop; 3522 my $freeze_guard = cf::freeze_mainloop;
2604 3523
… …
2610 # and maps saved/destroyed asynchronously. 3529 # and maps saved/destroyed asynchronously.
2611 warn "begin emergency player save\n"; 3530 warn "begin emergency player save\n";
2612 for my $login (keys %cf::PLAYER) { 3531 for my $login (keys %cf::PLAYER) {
2613 my $pl = $cf::PLAYER{$login} or next; 3532 my $pl = $cf::PLAYER{$login} or next;
2614 $pl->valid or next; 3533 $pl->valid or next;
3534 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615 $pl->save; 3535 $pl->save;
2616 } 3536 }
2617 warn "end emergency player save\n"; 3537 warn "end emergency player save\n";
2618 3538
2619 warn "begin emergency map save\n"; 3539 warn "begin emergency map save\n";
… …
2625 warn "end emergency map save\n"; 3545 warn "end emergency map save\n";
2626 3546
2627 warn "begin emergency database checkpoint\n"; 3547 warn "begin emergency database checkpoint\n";
2628 BDB::db_env_txn_checkpoint $DB_ENV; 3548 BDB::db_env_txn_checkpoint $DB_ENV;
2629 warn "end emergency database checkpoint\n"; 3549 warn "end emergency database checkpoint\n";
3550
3551 warn "begin write uuid\n";
3552 write_uuid_sync 1;
3553 warn "end write uuid\n";
2630 }; 3554 };
2631 3555
2632 warn "leave emergency perl save\n"; 3556 warn "leave emergency perl save\n";
2633} 3557}
2634 3558
2635sub post_cleanup { 3559sub post_cleanup {
2636 my ($make_core) = @_; 3560 my ($make_core) = @_;
2637 3561
2638 warn Carp::longmess "post_cleanup backtrace" 3562 warn Carp::longmess "post_cleanup backtrace"
2639 if $make_core; 3563 if $make_core;
3564
3565 my $fh = pidfile;
3566 unlink $PIDFILE if <$fh> == $$;
2640} 3567}
3568
3569# a safer delete_package, copied from Symbol
3570sub clear_package($) {
3571 my $pkg = shift;
3572
3573 # expand to full symbol table name if needed
3574 unless ($pkg =~ /^main::.*::$/) {
3575 $pkg = "main$pkg" if $pkg =~ /^::/;
3576 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3577 $pkg .= '::' unless $pkg =~ /::$/;
3578 }
3579
3580 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3581 my $stem_symtab = *{$stem}{HASH};
3582
3583 defined $stem_symtab and exists $stem_symtab->{$leaf}
3584 or return;
3585
3586 # clear all symbols
3587 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3588 for my $name (keys %$leaf_symtab) {
3589 _gv_clear *{"$pkg$name"};
3590# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3591 }
3592 warn "cleared package #$pkg\n";#d#
3593}
3594
3595our $RELOAD; # how many times to reload
2641 3596
2642sub do_reload_perl() { 3597sub do_reload_perl() {
2643 # can/must only be called in main 3598 # can/must only be called in main
2644 if ($Coro::current != $Coro::main) { 3599 if ($Coro::current != $Coro::main) {
2645 warn "can only reload from main coroutine"; 3600 warn "can only reload from main coroutine";
2646 return; 3601 return;
2647 } 3602 }
2648 3603
3604 return if $RELOAD++;
3605
3606 while ($RELOAD) {
2649 warn "reloading..."; 3607 warn "reloading...";
2650 3608
2651 warn "entering sync_job"; 3609 warn "entering sync_job";
2652 3610
2653 cf::sync_job { 3611 cf::sync_job {
2654 cf::write_runtime; # external watchdog should not bark 3612 cf::write_runtime_sync; # external watchdog should not bark
2655 cf::emergency_save; 3613 cf::emergency_save;
2656 cf::write_runtime; # external watchdog should not bark 3614 cf::write_runtime_sync; # external watchdog should not bark
2657 3615
2658 warn "syncing database to disk"; 3616 warn "syncing database to disk";
2659 BDB::db_env_txn_checkpoint $DB_ENV; 3617 BDB::db_env_txn_checkpoint $DB_ENV;
2660 3618
2661 # if anything goes wrong in here, we should simply crash as we already saved 3619 # if anything goes wrong in here, we should simply crash as we already saved
2662 3620
2663 warn "cancelling all WF_AUTOCANCEL watchers";
2664 for (Event::all_watchers) {
2665 $_->cancel if $_->data & WF_AUTOCANCEL;
2666 }
2667
2668 warn "flushing outstanding aio requests"; 3621 warn "flushing outstanding aio requests";
2669 for (;;) {
2670 BDB::flush;
2671 IO::AIO::flush;
2672 Coro::cede;
2673 last unless IO::AIO::nreqs || BDB::nreqs; 3622 while (IO::AIO::nreqs || BDB::nreqs) {
2674 warn "iterate..."; 3623 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2675 }
2676
2677 ++$RELOAD;
2678
2679 warn "cancelling all extension coros";
2680 $_->cancel for values %EXT_CORO;
2681 %EXT_CORO = ();
2682
2683 warn "removing commands";
2684 %COMMAND = ();
2685
2686 warn "removing ext commands";
2687 %EXTCMD = ();
2688
2689 warn "unloading/nuking all extensions";
2690 for my $pkg (@EXTS) {
2691 warn "... unloading $pkg";
2692
2693 if (my $cb = $pkg->can ("unload")) {
2694 eval {
2695 $cb->($pkg);
2696 1
2697 } or warn "$pkg unloaded, but with errors: $@";
2698 } 3624 }
2699 3625
2700 warn "... nuking $pkg"; 3626 warn "cancelling all extension coros";
2701 Symbol::delete_package $pkg; 3627 $_->cancel for values %EXT_CORO;
2702 } 3628 %EXT_CORO = ();
2703 3629
2704 warn "unloading all perl modules loaded from $LIBDIR"; 3630 warn "removing commands";
2705 while (my ($k, $v) = each %INC) { 3631 %COMMAND = ();
2706 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707 3632
3633 warn "removing ext/exti commands";
3634 %EXTCMD = ();
3635 %EXTICMD = ();
3636
3637 warn "unloading/nuking all extensions";
3638 for my $pkg (@EXTS) {
2708 warn "... unloading $k"; 3639 warn "... unloading $pkg";
2709 delete $INC{$k};
2710 3640
2711 $k =~ s/\.pm$//;
2712 $k =~ s/\//::/g;
2713
2714 if (my $cb = $k->can ("unload_module")) { 3641 if (my $cb = $pkg->can ("unload")) {
3642 eval {
2715 $cb->(); 3643 $cb->($pkg);
3644 1
3645 } or warn "$pkg unloaded, but with errors: $@";
3646 }
3647
3648 warn "... clearing $pkg";
3649 clear_package $pkg;
2716 } 3650 }
2717 3651
2718 Symbol::delete_package $k; 3652 warn "unloading all perl modules loaded from $LIBDIR";
3653 while (my ($k, $v) = each %INC) {
3654 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3655
3656 warn "... unloading $k";
3657 delete $INC{$k};
3658
3659 $k =~ s/\.pm$//;
3660 $k =~ s/\//::/g;
3661
3662 if (my $cb = $k->can ("unload_module")) {
3663 $cb->();
3664 }
3665
3666 clear_package $k;
2719 } 3667 }
2720 3668
2721 warn "getting rid of safe::, as good as possible"; 3669 warn "getting rid of safe::, as good as possible";
2722 Symbol::delete_package "safe::$_" 3670 clear_package "safe::$_"
2723 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3671 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2724 3672
2725 warn "unloading cf.pm \"a bit\""; 3673 warn "unloading cf.pm \"a bit\"";
2726 delete $INC{"cf.pm"}; 3674 delete $INC{"cf.pm"};
2727 delete $INC{"cf/pod.pm"}; 3675 delete $INC{"cf/pod.pm"};
2728 3676
2729 # don't, removes xs symbols, too, 3677 # don't, removes xs symbols, too,
2730 # and global variables created in xs 3678 # and global variables created in xs
2731 #Symbol::delete_package __PACKAGE__; 3679 #clear_package __PACKAGE__;
2732 3680
2733 warn "unload completed, starting to reload now"; 3681 warn "unload completed, starting to reload now";
2734 3682
2735 warn "reloading cf.pm"; 3683 warn "reloading cf.pm";
2736 require cf; 3684 require cf;
2737 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3685 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2738 3686
2739 warn "loading config and database again"; 3687 warn "loading config and database again";
2740 cf::cfg_load; 3688 cf::reload_config;
2741 3689
2742 warn "loading extensions"; 3690 warn "loading extensions";
2743 cf::load_extensions; 3691 cf::load_extensions;
2744 3692
2745 warn "reattaching attachments to objects/players"; 3693 warn "reattaching attachments to objects/players";
2746 _global_reattach; # objects, sockets 3694 _global_reattach; # objects, sockets
2747 warn "reattaching attachments to maps"; 3695 warn "reattaching attachments to maps";
2748 reattach $_ for values %MAP; 3696 reattach $_ for values %MAP;
2749 warn "reattaching attachments to players"; 3697 warn "reattaching attachments to players";
2750 reattach $_ for values %PLAYER; 3698 reattach $_ for values %PLAYER;
2751 3699
2752 warn "leaving sync_job"; 3700 warn "leaving sync_job";
2753 3701
2754 1 3702 1
2755 } or do { 3703 } or do {
2756 warn $@; 3704 warn $@;
2757 warn "error while reloading, exiting."; 3705 cf::cleanup "error while reloading, exiting.";
2758 exit 1;
2759 }; 3706 };
2760 3707
2761 warn "reloaded"; 3708 warn "reloaded";
3709 --$RELOAD;
3710 }
2762}; 3711};
2763 3712
2764our $RELOAD_WATCHER; # used only during reload 3713our $RELOAD_WATCHER; # used only during reload
2765 3714
2766sub reload_perl() { 3715sub reload_perl() {
2767 # doing reload synchronously and two reloads happen back-to-back, 3716 # doing reload synchronously and two reloads happen back-to-back,
2768 # coro crashes during coro_state_free->destroy here. 3717 # coro crashes during coro_state_free->destroy here.
2769 3718
2770 $RELOAD_WATCHER ||= Event->timer ( 3719 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2771 reentrant => 0,
2772 after => 0,
2773 data => WF_AUTOCANCEL,
2774 cb => sub {
2775 do_reload_perl; 3720 do_reload_perl;
2776 undef $RELOAD_WATCHER; 3721 undef $RELOAD_WATCHER;
2777 },
2778 ); 3722 };
2779} 3723}
2780 3724
2781register_command "reload" => sub { 3725register_command "reload" => sub {
2782 my ($who, $arg) = @_; 3726 my ($who, $arg) = @_;
2783 3727
2784 if ($who->flag (FLAG_WIZ)) { 3728 if ($who->flag (FLAG_WIZ)) {
2785 $who->message ("reloading server."); 3729 $who->message ("reloading server.");
3730 async {
3731 $Coro::current->{desc} = "perl_reload";
2786 async { reload_perl }; 3732 reload_perl;
3733 };
2787 } 3734 }
2788}; 3735};
2789 3736
2790unshift @INC, $LIBDIR; 3737unshift @INC, $LIBDIR;
2791 3738
… …
2793 3740
2794our @WAIT_FOR_TICK; 3741our @WAIT_FOR_TICK;
2795our @WAIT_FOR_TICK_BEGIN; 3742our @WAIT_FOR_TICK_BEGIN;
2796 3743
2797sub wait_for_tick { 3744sub wait_for_tick {
2798 return unless $TICK_WATCHER->is_active;
2799 return if $Coro::current == $Coro::main; 3745 return if tick_inhibit || $Coro::current == $Coro::main;
2800 3746
2801 my $signal = new Coro::Signal; 3747 my $signal = new Coro::Signal;
2802 push @WAIT_FOR_TICK, $signal; 3748 push @WAIT_FOR_TICK, $signal;
2803 $signal->wait; 3749 $signal->wait;
2804} 3750}
2805 3751
2806sub wait_for_tick_begin { 3752sub wait_for_tick_begin {
2807 return unless $TICK_WATCHER->is_active;
2808 return if $Coro::current == $Coro::main; 3753 return if tick_inhibit || $Coro::current == $Coro::main;
2809 3754
2810 my $signal = new Coro::Signal; 3755 my $signal = new Coro::Signal;
2811 push @WAIT_FOR_TICK_BEGIN, $signal; 3756 push @WAIT_FOR_TICK_BEGIN, $signal;
2812 $signal->wait; 3757 $signal->wait;
2813} 3758}
2814 3759
2815$TICK_WATCHER = Event->timer ( 3760sub tick {
2816 reentrant => 0,
2817 parked => 1,
2818 prio => 0,
2819 at => $NEXT_TICK || $TICK,
2820 data => WF_AUTOCANCEL,
2821 cb => sub {
2822 if ($Coro::current != $Coro::main) { 3761 if ($Coro::current != $Coro::main) {
2823 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3762 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824 unless ++$bug_warning > 10; 3763 unless ++$bug_warning > 10;
2825 return; 3764 return;
2826 } 3765 }
2827 3766
2828 $NOW = Event::time;
2829
2830 cf::server_tick; # one server iteration 3767 cf::server_tick; # one server iteration
2831 3768
2832 $RUNTIME += $TICK;
2833 $NEXT_TICK += $TICK;
2834
2835 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3769 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836 $NEXT_RUNTIME_WRITE = $NOW + 10; 3770 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837 Coro::async_pool { 3771 Coro::async_pool {
3772 $Coro::current->{desc} = "runtime saver";
2838 write_runtime 3773 write_runtime_sync
2839 or warn "ERROR: unable to write runtime file: $!"; 3774 or warn "ERROR: unable to write runtime file: $!";
2840 };
2841 } 3775 };
3776 }
2842 3777
2843# my $AFTER = Event::time;
2844# warn $AFTER - $NOW;#d#
2845
2846 # if we are delayed by four ticks or more, skip them all
2847 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849 $TICK_WATCHER->at ($NEXT_TICK);
2850 $TICK_WATCHER->start;
2851
2852 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3778 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853 $sig->send; 3779 $sig->send;
2854 } 3780 }
2855 while (my $sig = shift @WAIT_FOR_TICK) { 3781 while (my $sig = shift @WAIT_FOR_TICK) {
2856 $sig->send; 3782 $sig->send;
2857 }
2858
2859 _post_tick;
2860 }, 3783 }
2861); 3784
3785 $LOAD = ($NOW - $TICK_START) / $TICK;
3786 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3787
3788 if (0) {
3789 if ($NEXT_TICK) {
3790 my $jitter = $TICK_START - $NEXT_TICK;
3791 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3792 warn "jitter $JITTER\n";#d#
3793 }
3794 }
3795}
2862 3796
2863{ 3797{
2864 BDB::max_poll_time $TICK * 0.1; 3798 # configure BDB
2865 $BDB_POLL_WATCHER = Event->io ( 3799
2866 reentrant => 0,
2867 fd => BDB::poll_fileno,
2868 poll => 'r',
2869 prio => 0,
2870 data => WF_AUTOCANCEL,
2871 cb => \&BDB::poll_cb,
2872 );
2873 BDB::min_parallel 8; 3800 BDB::min_parallel 8;
2874 3801 BDB::max_poll_reqs $TICK * 0.1;
2875 BDB::set_sync_prepare { 3802 $AnyEvent::BDB::WATCHER->priority (1);
2876 my $status;
2877 my $current = $Coro::current;
2878 (
2879 sub {
2880 $status = $!;
2881 $current->ready; undef $current;
2882 },
2883 sub {
2884 Coro::schedule while defined $current;
2885 $! = $status;
2886 },
2887 )
2888 };
2889 3803
2890 unless ($DB_ENV) { 3804 unless ($DB_ENV) {
2891 $DB_ENV = BDB::db_env_create; 3805 $DB_ENV = BDB::db_env_create;
3806 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3807 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3808 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3809 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3810 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892 3811
2893 cf::sync_job { 3812 cf::sync_job {
2894 eval { 3813 eval {
2895 BDB::db_env_open 3814 BDB::db_env_open
2896 $DB_ENV, 3815 $DB_ENV,
… …
2898 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3817 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3818 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900 0666; 3819 0666;
2901 3820
2902 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3821 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905 $DB_ENV->set_lk_detect;
2906 }; 3822 };
2907 3823
2908 cf::cleanup "db_env_open(db): $@" if $@; 3824 cf::cleanup "db_env_open(db): $@" if $@;
2909 }; 3825 };
2910 } 3826 }
3827
3828 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3829 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3830 };
3831 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3832 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3833 };
3834 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3835 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3836 };
2911} 3837}
2912 3838
2913{ 3839{
3840 # configure IO::AIO
3841
2914 IO::AIO::min_parallel 8; 3842 IO::AIO::min_parallel 8;
2915
2916 undef $Coro::AIO::WATCHER;
2917 IO::AIO::max_poll_time $TICK * 0.1; 3843 IO::AIO::max_poll_time $TICK * 0.1;
2918 $AIO_POLL_WATCHER = Event->io ( 3844 undef $AnyEvent::AIO::WATCHER;
2919 reentrant => 0,
2920 data => WF_AUTOCANCEL,
2921 fd => IO::AIO::poll_fileno,
2922 poll => 'r',
2923 prio => 6,
2924 cb => \&IO::AIO::poll_cb,
2925 );
2926} 3845}
3846
3847my $_log_backtrace;
2927 3848
2928sub _log_backtrace { 3849sub _log_backtrace {
2929 my ($msg, @addr) = @_; 3850 my ($msg, @addr) = @_;
2930 3851
3852 $msg =~ s/\n//;
3853
3854 # limit the # of concurrent backtraces
3855 if ($_log_backtrace < 2) {
3856 ++$_log_backtrace;
3857 my $perl_bt = Carp::longmess $msg;
2931 async { 3858 async {
3859 $Coro::current->{desc} = "abt $msg";
3860
2932 my @bt = fork_call { 3861 my @bt = fork_call {
2933 @addr = map { sprintf "%x", $_ } @addr; 3862 @addr = map { sprintf "%x", $_ } @addr;
3863 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2934 open my $fh, "exec addr2line -C -f -i -e \Q$^X\E @addr 2>&1 |" 3864 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2935 or die "addr2line: $!"; 3865 or die "addr2line: $!";
2936 3866
2937 my @funcs; 3867 my @funcs;
2938 my @res = <$fh>; 3868 my @res = <$fh>;
2939 chomp for @res; 3869 chomp for @res;
2940 while (@res) { 3870 while (@res) {
2941 my ($func, $line) = splice @res, 0, 2, (); 3871 my ($func, $line) = splice @res, 0, 2, ();
2942 push @funcs, "[$func] $line"; 3872 push @funcs, "[$func] $line";
3873 }
3874
3875 @funcs
2943 } 3876 };
2944 3877
2945 @funcs 3878 LOG llevInfo, "[ABT] $perl_bt\n";
3879 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3880 LOG llevInfo, "[ABT] $_\n" for @bt;
3881 --$_log_backtrace;
2946 }; 3882 };
2947 3883 } else {
2948 $msg =~ s/\n//;
2949
2950 LOG llevInfo, "[ABT] $msg\n"; 3884 LOG llevInfo, "[ABT] $msg\n";
2951 LOG llevInfo, "[ABT] $_\n" for @bt; 3885 LOG llevInfo, "[ABT] [suppressed]\n";
2952 }; 3886 }
2953} 3887}
2954 3888
2955# load additional modules 3889# load additional modules
2956use cf::pod; 3890use cf::pod;
2957 3891

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